Perhaps you should try some spelling variations:
"nijhoff book titles" » "nijhoff boston titles", "nijhoff book entitled", "nijhoff book intitled"
"nijhoff op entitled" » "nijhoff one entitled", "nijhoff m.p entitled", "nijhoff now entitled", "nijhoff _ entitled"
"nijhoff j entitled" » "nijhoff _ entitled", "nijhoff i entitled", "nijhoff c entitled"

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") OR ((("nijhoff op entitled") OR ("nijhoff j entitled")))).
• Removing quotes may allow a broader search: (( nijhoff book titles ) or ((( nijhoff op entitled ) or ( nijhoff j entitled )))).
• Adding a wildcard symbol may retrieve word variants: (("nijhoff book titles") or ((("nijhoff op entitled") or ("nijhoff j entitled"))))*.