Perhaps you should try some spelling variations:
"nijhoff boston tables" » "nijhoff boston charles", "nijhoff boston rules", "nijhoff boston times"
"nijhoff boston titles" » "nijhoff boston times", "nijhoff boston entitled", "nijhoff boston rules"
"nijhoff book titles" » "nijhoff book entitled", "nijhoff book intitled"
"nijhoff op titles" » "nijhoff _ titles", "nijhoff j titles", "nijhoff up titles", "nijhoff comp titles", "nijhoff job titles"

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