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