Perhaps you should try some spelling variations:
"research write paper" » "research white paper", "research written paper", "research site paper", "research white papers"
"research while papers" » "research where papers", "research which papers", "research when papers", "research white papers", "research while others", "research while part"
"research why papers" » "research work papers", "research why paper", "research key papers", "research day papers"
"research what papers" » "research what hampers", "research what players", "research what pages"

You may be able to get more results by adjusting your search query.

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