Perhaps you should try some spelling variations:
"nijhoff book titles 26" » "nijhoff boston titles 26", "nijhoff book entitled 26", "nijhoff book intitled 26", "nijhoff book tables 26", "nijhoff work titles 26", "nijhoff book entitleds 26", "nijhoff book titles 2.9", "nijhoff book titles _", "nijhoff book titles ii"
"nijhoff book title 26" » "nijhoff boston title 26", "nijhoff book table 26", "nijhoff work title 26", "nijhoff book entitled 26", "nijhoff book title 2", "nijhoff book title 21", "nijhoff book title 25"
"nijhoff book time 26" » "nijhoff boston time 26", "nijhoff book tips 26", "nijhoff book time 2.6", "nijhoff book time 2", "nijhoff book time 16"
"nijhoff work titles 1" » "nijhoff works titles 1", "nijhoff work title 1", "nijhoff works title 1", "nijhoff work titles _"
"nijhoff ebook title 2006" » "nijhoff ebook title 20", "nijhoff ebook title 2012", "nijhoff ebook table 2006", "nijhoff ework title 2006", "nijhoff ebook entitled 2006"
"nijhoff op titles 26" » "nijhoff _ titles 26", "nijhoff j titles 26", "nijhoff op titles 2.9", "nijhoff op titles _", "nijhoff op titles ii", "nijhoff up titles 26", "nijhoff comp titles 26", "nijhoff job titles 26"

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 2006") OR ((((((("nijhoff book titles 26") OR ("nijhoff op titles 26"))) OR ("nijhoff work titles 1"))) OR ((("nijhoff book title 26") OR ("nijhoff book time 26"))))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"nijhoff ebook title 2006\") or (((((((\"nijhoff book titles 26\") or (\"nijhoff op titles 26\"))) or (\"nijhoff work titles 1\"))) or (((\"nijhoff book title 26\") OR (\"nijhoff book time 26\"))))))*".
• Removing quotes may allow a broader search: (( nijhoff ebook title 2006 ) or ((((((( nijhoff book titles 26 ) or ( nijhoff op titles 26 ))) or ( nijhoff work titles 1 ))) or ((( nijhoff book title 26 ) OR ( nijhoff book time 26 ))))))*.