Perhaps you should try some spelling variations:
"nijhoff work entitleds 1" » "nijhoff work entitled 1", "nijhoff work intitled 1", "nijhoff works entitled 1", "nijhoff work entitled _", "nijhoff work entitled a"
"nijhoff working titles _" » "nijhoff working title _", "nijhoff working times _", "nijhoff working files _"
"nijhoff book table 2.1" » "nijhoff boston table 2.1", "nijhoff book table 3.1", "nijhoff book table 1", "nijhoff book table 11"
"nijhoff book times 2.9" » "nijhoff boston times 2.9", "nijhoff book time 2.9", "nijhoff york times 2.9", "nijhoff book tips 2.9", "nijhoff book times 2.2", "nijhoff book times 4.9", "nijhoff book times 2.3"
"nijhoff book times 2.1" » "nijhoff boston times 2.1", "nijhoff book time 2.1", "nijhoff york times 2.1", "nijhoff book tips 2.1", "nijhoff book times 2.2", "nijhoff book times 4.1", "nijhoff book times 6.1"
"nijhoff book themes 2.1" » "nijhoff boston themes 2.1", "nijhoff look themes 2.1", "nijhoff back themes 2.1", "nijhoff book them 2.1", "nijhoff book themas 2.1", "nijhoff book themen 2.1", "nijhoff book themes 2.6"
"nijhoff book title 26" » "nijhoff boston title 26", "nijhoff book time 26", "nijhoff book entitled 26", "nijhoff book intitled 26", "nijhoff book title 25", "nijhoff book title a", "nijhoff book title 1", "nijhoff book title a6", "nijhoff book title 16"
"nijhoff book title 2" » "nijhoff boston title 2", "nijhoff book time 2", "nijhoff book entitled 2", "nijhoff book intitled 2", "nijhoff book title a", "nijhoff book title 1"
"nijhoff book titles 2" » "nijhoff boston titles 2", "nijhoff book entitled 2", "nijhoff book intitled 2", "nijhoff book times 2", "nijhoff book entitleds 2", "nijhoff book intitleds 2", "nijhoff book titles 12", "nijhoff book titles a", "nijhoff book titles c"
"nijhoff op entitled 2.9" » "nijhoff op entitled _", "nijhoff op entitled a", "nijhoff op entitled mr", "nijhoff m.p entitled 2.9", "nijhoff now entitled 2.9", "nijhoff _ entitled 2.9", "nijhoff j entitled 2.9"
"nijhoff work titles 26" » "nijhoff works titles 26", "nijhoff work entitled 26", "nijhoff work intitled 26", "nijhoff work times 26", "nijhoff work entitleds 26", "nijhoff work intitleds 26", "nijhoff work titles 2.9", "nijhoff work titles ii", "nijhoff work titles a", "nijhoff work titles 126", "nijhoff work titles a6", "nijhoff work titles c6"
"nijhoff work titles 1" » "nijhoff works titles 1", "nijhoff work entitled 1", "nijhoff work intitled 1", "nijhoff work times 1", "nijhoff work entitleds 1", "nijhoff work intitleds 1"
"nijhoff works title 26" » "nijhoff works titles 26", "nijhoff works time 26", "nijhoff works intitled 26", "nijhoff works title 25", "nijhoff works title a", "nijhoff works title 1", "nijhoff works title a6", "nijhoff works title 16"
"nijhoff ebook table 2006" » "nijhoff book tables 2006", "nijhoff ebook table 2.6", "nijhoff ebook table 20", "nijhoff ebook table 26"
"nijhoff work title 26" » "nijhoff work time 26", "nijhoff work entitled 26", "nijhoff work intitled 26", "nijhoff work title 25", "nijhoff work title a", "nijhoff work title 1", "nijhoff work title a6", "nijhoff work title 16"
"nijhoff work title 21" » "nijhoff work time 21", "nijhoff work entitled 21", "nijhoff work intitled 21", "nijhoff work title 1", "nijhoff work title a", "nijhoff work title 10", "nijhoff work title a1", "nijhoff work title 11"
"nijhoff work title _" » "nijhoff work time _", "nijhoff work entitled _", "nijhoff work intitled _"
"nijhoff ebook title 2012" » "nijhoff ebook time 2012", "nijhoff ebook entitled 2012", "nijhoff ebook intitled 2012", "nijhoff ebook title 12", "nijhoff ebook title 20", "nijhoff ebook title 22", "nijhoff ebook title a012", "nijhoff ebook title 1012"
"nijhoff up titles 26" » "nijhoff _ titles 26", "nijhoff j titles 26", "nijhoff up times 26", "nijhoff 11 titles 26", "nijhoff up titles 2.9", "nijhoff up titles ii", "nijhoff up titles a", "nijhoff up titles 126", "nijhoff up titles a6", "nijhoff up titles c6"
"nijhoff nook tablet 2.5" » "nijhoff nook table 2.5", "nijhoff nook tables 2.5", "nijhoff nook tablet 22"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nijhoff ebook title 2012") OR ("nijhoff ebook table 2006"))) OR ((((((((((((("nijhoff book table 2.1") OR ("nijhoff nook tablet 2.5"))) OR ((("nijhoff book times 2.9") OR ((("nijhoff book times 2.1") OR ("nijhoff book themes 2.1"))))))) OR ("nijhoff op entitled 2.9"))) OR ("nijhoff up titles 26"))) OR ((((((((((("nijhoff work titles 26") OR ("nijhoff work titles 1"))) OR ("nijhoff works title 26"))) OR ("nijhoff working titles _"))) OR ("nijhoff work entitleds 1"))) OR ((((("nijhoff work title 26") OR ("nijhoff work title 21"))) OR ("nijhoff work title _"))))))) OR ((("nijhoff book title 26") OR ((("nijhoff book title 2") OR ("nijhoff book titles 2"))))))))*.
• Removing quotes may allow a broader search: (((( nijhoff ebook title 2012 ) or ( nijhoff ebook table 2006 ))) or ((((((((((((( nijhoff book table 2.1 ) or ( nijhoff nook tablet 2.5 ))) or ((( nijhoff book times 2.9 ) or ((( nijhoff book times 2.1 ) or ( nijhoff book themes 2.1 ))))))) or ( nijhoff op entitled 2.9 ))) or ( nijhoff up titles 26 ))) or ((((((((((( nijhoff work titles 26 ) or ( nijhoff work titles 1 ))) or ( nijhoff works title 26 ))) or ( nijhoff working titles _ ))) or ( nijhoff work entitleds 1 ))) or ((((( nijhoff work title 26 ) or ( nijhoff work title 21 ))) or ( nijhoff work title _ ))))))) or ((( nijhoff book title 26 ) or ((( nijhoff book title 2 ) or ( nijhoff book titles 2 ))))))))*.