Perhaps you should try some spelling variations:
"nijhoff book title _0" » "nijhoff boston title _0", "nijhoff op title _0", "nijhoff book titles _0", "nijhoff book table _0", "nijhoff work title _0", "nijhoff book title _", "nijhoff book title 10", "nijhoff book title 20"
"nijhoff ebook title 2" » "nijhoff book titles 2", "nijhoff ebook titles 2", "nijhoff ebook table 2", "nijhoff ework title 2", "nijhoff ebook title _", "nijhoff ebook title a", "nijhoff ebook title 1"
"nijhoff ebook title 26" » "nijhoff book titles 26", "nijhoff ebook titles 26", "nijhoff ebook table 26", "nijhoff ework title 26", "nijhoff ebook title 21", "nijhoff ebook title 25", "nijhoff ebook title _", "nijhoff ebook title _6", "nijhoff ebook title a6", "nijhoff ebook title 16"

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 _0\") OR (\"nijhoff ebook title 2\"))) OR (\"nijhoff ebook title 26\"))".
• Removing quotes may allow a broader search: (((( nijhoff book title _0 ) OR ( nijhoff ebook title 2 ))) OR ( nijhoff ebook title 26 )).
• Adding a wildcard symbol may retrieve word variants: (((("nijhoff book title _0") OR ("nijhoff ebook title 2"))) OR ("nijhoff ebook title 26"))*.