Perhaps you should try some spelling variations:
ebook titles » book titles, about titles, work titles
about tithes » about time, about them, about taxes
nijhoff book » nijhoff boston, nijhoff op
ebook title » book titles
book title » book titles, work title, book time
table 26 » table 2.6, tables 26, table 2

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 titles) OR (book title))) OR (about tithes)) 2006 ) OR ((( nijhoff book table 26 ) OR ( nijhoff ebook title _ )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( nijhoff ((((ebook titles) OR (book title))) or (about tithes)) 2006 ) or ((( nijhoff book table 26 ) or ( nijhoff ebook title _ ))))".
• Adding a wildcard symbol may retrieve word variants: (( nijhoff ((((ebook titles) OR (book title))) or (about tithes)) 2006 ) or ((( nijhoff book table 26 ) or ( nijhoff ebook title _ ))))*.