Perhaps you should try some spelling variations:
"nijhoff boston titles" » "nijhoff boston tables", "nijhoff boston times", "nijhoff boston entitled"
"nijhoff book titles" » "nijhoff op titles", "nijhoff book entitled", "nijhoff book intitled", "nijhoff book tables", "nijhoff work titles", "nijhoff book times"
"nijhoff book title" » "nijhoff op title", "nijhoff book table", "nijhoff work title", "nijhoff book time"
"nijhoff ebook title" » "nijhoff ebook table", "nijhoff ework title", "nijhoff ebook time"

Try widening your search to All Fields.

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