Perhaps you should try some spelling variations:
"research written paper" » "research within paper", "research writing paper", "research twitter paper", "research written after"
"research write paper" » "research site paper", "research waste paper", "research grit paper", "research white paper", "research writing paper"
"research white papers" » "research what papers", "research site papers", "research where papers", "research white paper", "research state papers"
"research while papers" » "research where papers", "research which papers", "research what papers", "research while others", "research while pair"
"research while part" » "research where part", "research which part", "research what part", "research chile part"

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: (((("research write paper") OR ("research written paper"))) OR ((("research white papers") OR ((("research while papers") OR ("research while part")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"research write paper\") or (\"research written paper\"))) or (((\"research white papers\") or (((\"research while papers\") OR (\"research while part\"))))))".
• Removing quotes may allow a broader search: (((( research write paper ) or ( research written paper ))) or ((( research white papers ) or ((( research while papers ) OR ( research while part )))))).
• Adding a wildcard symbol may retrieve word variants: (((("research write paper") or ("research written paper"))) or ((("research white papers") or ((("research while papers") OR ("research while part"))))))*.