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

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"nijhoff book title\") OR (\"nijhoff work title\"))) OR (\"nijhoff ebook title\"))".
• Removing quotes may allow a broader search: (((( nijhoff book title ) OR ( nijhoff work title ))) OR ( nijhoff ebook title )).
• Adding a wildcard symbol may retrieve word variants: (((("nijhoff book title") OR ("nijhoff work title"))) OR ("nijhoff ebook title"))*.