Perhaps you should try some spelling variations:
"nijhoff book title 10" » "nijhoff boston title 10", "nijhoff op title 10", "nijhoff book titles 10", "nijhoff book table 10", "nijhoff work title 10", "nijhoff book title 1", "nijhoff book title _", "nijhoff book title a"
"nijhoff ebook title 10" » "nijhoff book titles 10", "nijhoff ebook titles 10", "nijhoff ebook table 10", "nijhoff ework title 10", "nijhoff ebook title 1", "nijhoff ebook title _", "nijhoff ebook title a"
"nijhoff ebook title 26" » "nijhoff book titles 26", "nijhoff ebook titles 26", "nijhoff ebook table 26", "nijhoff ework title 26", "nijhoff ebook title 2", "nijhoff ebook title 25", "nijhoff ebook title _"
"nijhoff ework title 21" » "nijhoff work title 21", "nijhoff work titles 21", "nijhoff works title 21", "nijhoff ework title 1", "nijhoff ework title 2", "nijhoff ework 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 ebook title 10") OR ("nijhoff book title 10"))) OR ("nijhoff ework title 21"))) OR ("nijhoff ebook title 26")).
• Removing quotes may allow a broader search: (((((( nijhoff ebook title 10 ) or ( nijhoff book title 10 ))) or ( nijhoff ework title 21 ))) or ( nijhoff ebook title 26 )).
• Adding a wildcard symbol may retrieve word variants: (((((("nijhoff ebook title 10") or ("nijhoff book title 10"))) or ("nijhoff ework title 21"))) or ("nijhoff ebook title 26"))*.