Perhaps you should try some spelling variations:
"research write paper" » "research written paper", "research site paper", "research waste paper", "research writing paper"
"research white papers" » "research while papers", "research what papers", "research where papers", "research state papers", "research late papers"
"research white paper" » "research while paper", "research what paper", "research where paper"
"research which papers" » "research ethics papers", "research what papers", "research why papers", "research which players", "research which popery", "research which popes"

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