Perhaps you should try some spelling variations:
"nijhoff boston entitled" » "nijhoff boston entituled", "nijhoff book entitled"
"nijhoff now entitled" » "nijhoff new entitled", "nijhoff law entitled", "nijhoff crown entitled"
"nijhoff op entitled" » "nijhoff m.p entitled", "nijhoff _ entitled", "nijhoff i entitled", "nijhoff j 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 boston entitled") OR ((("nijhoff op entitled") OR ("nijhoff now entitled")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"nijhoff boston entitled\") or (((\"nijhoff op entitled\") OR (\"nijhoff now entitled\"))))".
• Removing quotes may allow a broader search: (( nijhoff boston entitled ) or ((( nijhoff op entitled ) OR ( nijhoff now entitled )))).
• Adding a wildcard symbol may retrieve word variants: (("nijhoff boston entitled") or ((("nijhoff op entitled") OR ("nijhoff now entitled"))))*.