Perhaps you should try some spelling variations:
"nijhoff book titles" » "nijhoff boston titles", "nijhoff op titles", "nijhoff book entitled", "nijhoff book intitled"
"nijhoff our titles" » "nijhoff op titles", "nijhoff wouter titles", "nijhoff our title", "nijhoff our times", "nijhoff your title"
"nijhoff ebook title" » "nijhoff book title"

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