Perhaps you should try some spelling variations:
"nijhoff book titles 2006" » "nijhoff boston titles 2006", "nijhoff op titles 2006", "nijhoff book entitled 2006", "nijhoff book intitled 2006"
"nijhoff ebook title _" » "nijhoff book title _"
"nijhoff ebook title 2" » "nijhoff book title 2", "nijhoff ebook title a", "nijhoff ebook title 1"

Try widening your search to All Fields.

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 book titles 2006") OR ((("nijhoff ebook title _") OR ("nijhoff ebook title 2")))).
• Removing quotes may allow a broader search: (( nijhoff book titles 2006 ) or ((( nijhoff ebook title _ ) or ( nijhoff ebook title 2 )))).
• Adding a wildcard symbol may retrieve word variants: (("nijhoff book titles 2006") or ((("nijhoff ebook title _") or ("nijhoff ebook title 2"))))*.