Perhaps you should try some spelling variations:
nijhoff book » nijhoff boston, nijhoff op
nijhoff work » nijhoff op
book titles » book entitled, book intitled
work titles » works titles, work title, works title
title 2006 » title 20, title 2012
book title » book table, work title, book time
titles 26 » titles 2.9, titles _, titles 1
title 26 » title 2, title 21, title 25

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 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 book titles 26 ) OR ( nijhoff work titles 26 ))) or ( nijhoff book title 26 ))))*".