Perhaps you should try some spelling variations:
"nijhoff book titles 2.9" » "nijhoff boston titles 2.9", "nijhoff book entitled 2.9", "nijhoff book intitled 2.9", "nijhoff book tables 2.9", "nijhoff work titles 2.9", "nijhoff book times 2.9", "nijhoff book titles 19"
"nijhoff book titles 3.2" » "nijhoff boston titles 3.2", "nijhoff book entitled 3.2", "nijhoff book intitled 3.2", "nijhoff book tables 3.2", "nijhoff work titles 3.2", "nijhoff book times 3.2", "nijhoff book titles 12", "nijhoff book titles 35"
"nijhoff book titles 3.1" » "nijhoff boston titles 3.1", "nijhoff book entitled 3.1", "nijhoff book intitled 3.1", "nijhoff book tables 3.1", "nijhoff work titles 3.1", "nijhoff book times 3.1", "nijhoff book titles 1", "nijhoff book titles 11", "nijhoff book titles 35"
"nijhoff book title 26" » "nijhoff boston title 26", "nijhoff book table 26", "nijhoff work title 26", "nijhoff book time 26", "nijhoff book title 2", "nijhoff book title 21", "nijhoff book title 25"
"nijhoff ebook table 2006" » "nijhoff book table 2006", "nijhoff book tables 2006", "nijhoff ebook table 2.6", "nijhoff ebook table 20", "nijhoff ebook table 26"
"nijhoff work titles 26" » "nijhoff works titles 26", "nijhoff work title 26", "nijhoff works title 26", "nijhoff work titles _", "nijhoff work titles 1", "nijhoff work titles ii"
"nijhoff ebook title 2006" » "nijhoff ebook title 20", "nijhoff ebook title 2012", "nijhoff ebook table 2006", "nijhoff ework title 2006", "nijhoff ebook time 2006"
"nijhoff op titles 26" » "nijhoff _ titles 26", "nijhoff j titles 26", "nijhoff up titles 26", "nijhoff comp titles 26", "nijhoff job titles 26", "nijhoff op titles _", "nijhoff op titles 1", "nijhoff op titles ii"

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 ebook table 2006"))) OR ((((((((((("nijhoff book titles 2.9") OR ("nijhoff book titles 3.2"))) OR ("nijhoff book titles 3.1"))) OR ("nijhoff op titles 26"))) OR ("nijhoff work titles 26"))) OR ("nijhoff book title 26"))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"nijhoff ebook title 2006\") or (\"nijhoff ebook table 2006\"))) or (((((((((((\"nijhoff book titles 2.9\") OR (\"nijhoff book titles 3.2\"))) or (\"nijhoff book titles 3.1\"))) or (\"nijhoff op titles 26\"))) or (\"nijhoff work titles 26\"))) or (\"nijhoff book title 26\"))))*".
• Removing quotes may allow a broader search: (((( nijhoff ebook title 2006 ) or ( nijhoff ebook table 2006 ))) or ((((((((((( nijhoff book titles 2.9 ) OR ( nijhoff book titles 3.2 ))) or ( nijhoff book titles 3.1 ))) or ( nijhoff op titles 26 ))) or ( nijhoff work titles 26 ))) or ( nijhoff book title 26 ))))*.