Perhaps you should try some spelling variations:
"nijhoff ship title a" » "nijhoff op title a", "nijhoff shop title a", "nijhoff ship title _"
"nijhoff sop title a" » "nijhoff op title a", "nijhoff shop title a", "nijhoff job title a", "nijhoff app title a", "nijhoff sop title _"
"nijhoff _ title 2" » "nijhoff _ title _", "nijhoff _ title 1"

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 _ title 2") OR ((("nijhoff sop title a") OR ("nijhoff ship title a")))).
• Removing quotes may allow a broader search: (( nijhoff _ title 2 ) or ((( nijhoff sop title a ) or ( nijhoff ship title a )))).
• Adding a wildcard symbol may retrieve word variants: (("nijhoff _ title 2") or ((("nijhoff sop title a") or ("nijhoff ship title a"))))*.