Perhaps you should try some spelling variations:
"nijhoff book titless" » "nijhoff boston titless", "nijhoff book titles", "nijhoff book title", "nijhoff ebook title"
"nijhoff job titles" » "nijhoff j titles"
"nijhoff op titles" » "nijhoff _ titles", "nijhoff j titles", "nijhoff up titles", "nijhoff comp titles"

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