Perhaps you should try some spelling variations:
"nijhoff book titles 2007" » "nijhoff boston titles 2007", "nijhoff op titles 2007", "nijhoff book entitled 2007", "nijhoff book intitled 2007"
"nijhoff job titles 2007" » "nijhoff op titles 2007", "nijhoff _ob titles 2007", "nijhoff opob titles 2007"
"nijhoff j titles 2007" » "nijhoff _ titles 2007", "nijhoff op titles 2007", "nijhoff 1 titles 2007", "nijhoff 4 titles 2007"
"nijhoff i titles 2007" » "nijhoff _ titles 2007", "nijhoff op titles 2007", "nijhoff ii titles 2007", "nijhoff i title 2007"

Try widening your search to All Fields.

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("nijhoff book titles 2007") OR ((((("nijhoff j titles 2007") OR ("nijhoff i titles 2007"))) OR ("nijhoff job titles 2007")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"nijhoff book titles 2007\") or (((((\"nijhoff j titles 2007\") OR (\"nijhoff i titles 2007\"))) or (\"nijhoff job titles 2007\"))))".
• Removing quotes may allow a broader search: (( nijhoff book titles 2007 ) or ((((( nijhoff j titles 2007 ) OR ( nijhoff i titles 2007 ))) or ( nijhoff job titles 2007 )))).
• Adding a wildcard symbol may retrieve word variants: (("nijhoff book titles 2007") or ((((("nijhoff j titles 2007") OR ("nijhoff i titles 2007"))) or ("nijhoff job titles 2007"))))*.