Perhaps you should try some spelling variations:
"nijhoff book titles" » "nijhoff op titles", "nijhoff book entitled", "nijhoff book intitled"
"nijhoff boston title" » "nijhoff button title", "nijhoff boston entitled", "nijhoff boston tables"
"nijhoff ebook title" » "nijhoff book title"

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