Perhaps you should try some spelling variations:
"nijhoff boston title" » "nijhoff button title", "nijhoff boston entitled", "nijhoff boston tables"
"nijhoff work title" » "nijhoff op title", "nijhoff work time", "nijhoff work entitled", "nijhoff work intitled"
"nijhoff book titles" » "nijhoff op titles", "nijhoff book entitled", "nijhoff book intitled"
"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 boston title") OR ("nijhoff work title"))) OR ((("nijhoff ebook title") OR ("nijhoff book titles")))).
• Removing quotes may allow a broader search: (((( nijhoff boston title ) or ( nijhoff work title ))) or ((( nijhoff ebook title ) or ( nijhoff book titles )))).
• Adding a wildcard symbol may retrieve word variants: (((("nijhoff boston title") or ("nijhoff work title"))) or ((("nijhoff ebook title") or ("nijhoff book titles"))))*.