Perhaps you should try some spelling variations:
"research white paper" » "research write paper", "research what paper", "research site paper"
"research while papers" » "research where papers", "research which papers", "research what papers", "research white papers", "research while others", "research while part"
"research work papers" » "research working papers", "research network papers", "research what papers", "research works papers", "research work paper", "research york papers"

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: (("research white paper") OR ((("research while papers") OR ("research work papers"))))*.
• Removing quotes may allow a broader search: (( research white paper ) or ((( research while papers ) or ( research work papers ))))*.