Perhaps you should try some spelling variations:
"nijhoff book title 2009" » "nijhoff boston title 2009", "nijhoff ebook title 2009", "nijhoff book table 2009", "nijhoff work title 2009", "nijhoff book title 20", "nijhoff book title 29"
"nijhoff book titles 20" » "nijhoff boston titles 20", "nijhoff book entitled 20", "nijhoff book intitled 20", "nijhoff ebook titles 20", "nijhoff book tables 20", "nijhoff work titles 20", "nijhoff book titles 60", "nijhoff book titles 2.9", "nijhoff book titles _"
"nijhoff op title 2009" » "nijhoff op title 20", "nijhoff op title 29", "nijhoff _ title 2009", "nijhoff j title 2009", "nijhoff sop title 2009", "nijhoff shop title 2009", "nijhoff app title 2009"
"nijhoff op title 2012" » "nijhoff _ title 2012", "nijhoff j title 2012", "nijhoff op title 21", "nijhoff op title 12", "nijhoff op title 20", "nijhoff sop title 2012", "nijhoff shop title 2012", "nijhoff app title 2012"

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 2009") OR ("nijhoff book titles 20"))) OR ((("nijhoff op title 2009") OR ("nijhoff op title 2012")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"nijhoff book title 2009\") or (\"nijhoff book titles 20\"))) or (((\"nijhoff op title 2009\") OR (\"nijhoff op title 2012\"))))".
• Removing quotes may allow a broader search: (((( nijhoff book title 2009 ) or ( nijhoff book titles 20 ))) or ((( nijhoff op title 2009 ) OR ( nijhoff op title 2012 )))).
• Adding a wildcard symbol may retrieve word variants: (((("nijhoff book title 2009") or ("nijhoff book titles 20"))) or ((("nijhoff op title 2009") OR ("nijhoff op title 2012"))))*.