Perhaps you should try some spelling variations:
"research written papers" » "research within papers", "research writing papers", "research twitter papers", "research written paper", "research written patterns"
"research write papers" » "research white papers", "research site papers", "research waste papers", "research white paper"
"research gate papers" » "research gated papers", "research game papers", "research kate papers", "research late papers", "research state papers", "research later 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 write papers") OR ("research written papers"))) OR ("research gate papers")).
• Removing quotes may allow a broader search: (((( research write papers ) or ( research written papers ))) or ( research gate papers )).
• Adding a wildcard symbol may retrieve word variants: (((("research write papers") or ("research written papers"))) or ("research gate papers"))*.