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 titles 26" » "nijhoff book titles 26", "nijhoff about titles 26", "nijhoff work titles 26", "nijhoff book titless 26", "nijhoff ebook titless 26", "nijhoff ebook tables 26", "nijhoff ework titles 26", "nijhoff ebook titles 2.9", "nijhoff ebook titles _", "nijhoff ebook titles 1"
"nijhoff ework titles 26" » "nijhoff work titles 26", "nijhoff work title 26", "nijhoff works titles 26", "nijhoff ework titles 2.9", "nijhoff ework titles _", "nijhoff ework titles 1"
"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"

Try widening your search to All Fields.

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