Perhaps you should try some spelling variations:
"nijhoff book titles 2.9" » "nijhoff boston titles 2.9", "nijhoff book intitled 2.9", "nijhoff book tables 2.9", "nijhoff book times 2.9", "nijhoff book intitleds 2.9", "nijhoff book titles 19", "nijhoff book titles 3.1", "nijhoff book titles 3.2"
"nijhoff book entitled a" » "nijhoff boston entitled a", "nijhoff book entitled _"
"nijhoff book title 26" » "nijhoff boston title 26", "nijhoff book table 26", "nijhoff book time 26", "nijhoff book intitled 26", "nijhoff book title 25", "nijhoff book title _", "nijhoff book title a", "nijhoff book title _6", "nijhoff book title a6", "nijhoff book title 16"
"nijhoff book title 21" » "nijhoff boston title 21", "nijhoff book table 21", "nijhoff book time 21", "nijhoff book intitled 21", "nijhoff book title 1", "nijhoff book title _", "nijhoff book title a", "nijhoff book title _1", "nijhoff book title a1", "nijhoff book title 11"
"nijhoff ebook table 2006" » "nijhoff book table 2006", "nijhoff book tables 2006", "nijhoff ebook table 2.6", "nijhoff ebook table 20", "nijhoff ebook table 26"
"nijhoff work titles 26" » "nijhoff works titles 26", "nijhoff works title 26", "nijhoff working titles 26", "nijhoff work times 26", "nijhoff work entitleds 26", "nijhoff work intitleds 26", "nijhoff work titles _", "nijhoff work titles 1", "nijhoff work titles a"
"nijhoff work titles ii" » "nijhoff works titles ii", "nijhoff works title ii", "nijhoff working titles ii", "nijhoff work times ii", "nijhoff work entitleds ii", "nijhoff work intitleds ii", "nijhoff work titles _", "nijhoff work titles 1"
"nijhoff ebook title 2006" » "nijhoff ebook table 2006", "nijhoff ebook time 2006", "nijhoff ebook intitled 2006", "nijhoff ebook title 2012", "nijhoff ebook title 1006", "nijhoff ebook title 2506", "nijhoff ebook title 2206", "nijhoff ebook title _006", "nijhoff ebook title a006"
"nijhoff ebook title 20" » "nijhoff ebook table 20", "nijhoff ebook time 20", "nijhoff ebook intitled 20", "nijhoff ebook title 10", "nijhoff ebook title 25", "nijhoff ebook title 22", "nijhoff ebook title _0", "nijhoff ebook title a0"
"nijhoff work title 2" » "nijhoff work time 2", "nijhoff work entitled 2", "nijhoff work intitled 2", "nijhoff work title _", "nijhoff work title a", "nijhoff work title 1"
"nijhoff op titles 26" » "nijhoff _ titles 26", "nijhoff j titles 26", "nijhoff up titles 26", "nijhoff comp titles 26", "nijhoff job titles 26", "nijhoff op titles _", "nijhoff op titles 1", "nijhoff op titles a"

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 2006") OR ("nijhoff ebook title 20"))) OR ("nijhoff ebook table 2006"))) OR ((((((((("nijhoff book titles 2.9") OR ("nijhoff book entitled a"))) OR ("nijhoff op titles 26"))) OR ((((("nijhoff work titles 26") OR ("nijhoff work titles ii"))) OR ("nijhoff work title 2"))))) OR ((("nijhoff book title 26") OR ("nijhoff book title 21"))))))*.
• Removing quotes may allow a broader search: (((((( nijhoff ebook title 2006 ) or ( nijhoff ebook title 20 ))) or ( nijhoff ebook table 2006 ))) or ((((((((( nijhoff book titles 2.9 ) or ( nijhoff book entitled a ))) or ( nijhoff op titles 26 ))) or ((((( nijhoff work titles 26 ) or ( nijhoff work titles ii ))) or ( nijhoff work title 2 ))))) or ((( nijhoff book title 26 ) or ( nijhoff book title 21 ))))))*.