Perhaps you should try some spelling variations:
"nijhoff boston titles" » "nijhoff boston tables", "nijhoff boston times", "nijhoff boston entitled"
"nijhoff op titles" » "nijhoff _ titles", "nijhoff up titles", "nijhoff comp titles", "nijhoff job titles"
"nijhoff j titles" » "nijhoff _ titles", "nijhoff i titles", "nijhoff 1 titles"

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