Perhaps you should try some spelling variations:
"research stater papers" » "research state papers", "research status papers", "research stages papers", "research state paper", "research states paper"
"research while papers" » "research where papers", "research which papers", "research what papers", "research white papers", "research while others", "research while part"
"research late papers" » "research later papers", "research gate papers", "research kate papers", "research late paper", "research state papers", "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 while papers") OR ((("research late papers") OR ("research stater papers")))).
• Removing quotes may allow a broader search: (( research while papers ) or ((( research late papers ) or ( research stater papers )))).
• Adding a wildcard symbol may retrieve word variants: (("research while papers") or ((("research late papers") or ("research stater papers"))))*.