Perhaps you should try some spelling variations:
"nijhoff book intitled" » "nijhoff book intituled", "nijhoff boston intitled"
"nijhoff book titles" » "nijhoff boston titles"
"nijhoff book entitled" » "nijhoff boston 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"

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 book intitled"))) OR ((("nijhoff book entitled") OR ((("nijhoff op entitled") OR ("nijhoff now entitled"))))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"nijhoff book titles\") or (\"nijhoff book intitled\"))) or (((\"nijhoff book entitled\") or (((\"nijhoff op entitled\") OR (\"nijhoff now entitled\"))))))*".
• Removing quotes may allow a broader search: (((( nijhoff book titles ) or ( nijhoff book intitled ))) or ((( nijhoff book entitled ) or ((( nijhoff op entitled ) OR ( nijhoff now entitled ))))))*.