Perhaps you should try some spelling variations:
"nijhoff book entitled 2007" » "nijhoff book untitled 2001", "nijhoff book entitled 10", "nijhoff book entitled 60", "nijhoff boston entitled 2007"
"nijhoff book titles 2007" » "nijhoff boston titles 2007", "nijhoff book intitled 2007"
"nijhoff op titles 2007" » "nijhoff j titles 2007", "nijhoff up titles 2007", "nijhoff comp titles 2007", "nijhoff job titles 2007"

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 2007") OR ("nijhoff book entitled 2007"))) OR ((("nijhoff op titles 2007") OR ("nijhoff _ titles 2007")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"nijhoff book titles 2007\") or (\"nijhoff book entitled 2007\"))) or (((\"nijhoff op titles 2007\") OR (\"nijhoff _ titles 2007\"))))".
• Removing quotes may allow a broader search: (((( nijhoff book titles 2007 ) or ( nijhoff book entitled 2007 ))) or ((( nijhoff op titles 2007 ) OR ( nijhoff _ titles 2007 )))).
• Adding a wildcard symbol may retrieve word variants: (((("nijhoff book titles 2007") or ("nijhoff book entitled 2007"))) or ((("nijhoff op titles 2007") OR ("nijhoff _ titles 2007"))))*.