Perhaps you should try some spelling variations:
"nijhoff boston titles 2.9" » "nijhoff boston tables 2.9", "nijhoff boston times 2.9", "nijhoff boston entitled 2.9", "nijhoff boston titles 19", "nijhoff boston titles 3.1", "nijhoff boston titles 3.2"
"nijhoff book entitled 2.9" » "nijhoff book entitled _", "nijhoff book entitled a", "nijhoff book entitled mr"
"nijhoff ebook title 2006" » "nijhoff book titles 2006", "nijhoff ebook titles 2006", "nijhoff ebook table 2006", "nijhoff ebook time 2006", "nijhoff ebook title 20", "nijhoff ebook title 2012", "nijhoff ebook title a006", "nijhoff ebook title 1006", "nijhoff ebook title he006"
"nijhoff ebook title 21" » "nijhoff book titles 21", "nijhoff ebook titles 21", "nijhoff ebook table 21", "nijhoff ebook time 21", "nijhoff ebook title 1", "nijhoff ebook title a", "nijhoff ebook title he", "nijhoff ebook title a1", "nijhoff ebook title 11", "nijhoff ebook title he1"
"nijhoff work titles 26" » "nijhoff works titles 26", "nijhoff book titles 26", "nijhoff works title 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 book titles ii", "nijhoff works title ii", "nijhoff work times ii", "nijhoff work entitleds ii", "nijhoff work intitleds ii", "nijhoff work titles _", "nijhoff work titles 1"
"nijhoff ebook table 2006" » "nijhoff book table 2006", "nijhoff ebook table 2.6", "nijhoff ebook table 20", "nijhoff ebook table 26"
"nijhoff book tables 2006" » "nijhoff book table 2006", "nijhoff book titles 2006", "nijhoff nook tablet 2006", "nijhoff book tables 206", "nijhoff book tables 26", "nijhoff book tables 2.6"
"nijhoff book title 26" » "nijhoff book titles 26", "nijhoff book table 26", "nijhoff book time 26", "nijhoff book title 25", "nijhoff book title a", "nijhoff book title 1", "nijhoff book title a6", "nijhoff book title 16", "nijhoff book title he6"
"nijhoff work title 2" » "nijhoff work time 2", "nijhoff work entitled 2", "nijhoff work intitled 2", "nijhoff work title a", "nijhoff work title 1", "nijhoff work title he"
"nijhoff work title _" » "nijhoff work time _", "nijhoff work entitled _", "nijhoff work intitled _"
"nijhoff op titles 26" » "nijhoff _ 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"
"nijhoff j titles 26" » "nijhoff j titles _", "nijhoff j titles 1", "nijhoff j titles a", "nijhoff _ titles 26", "nijhoff i titles 26", "nijhoff 1 titles 26"

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