Perhaps you should try some spelling variations:
"research white papers" » "research while papers", "research write papers", "research what papers", "research white paper"
"research state papers" » "research status papers", "research strategy papers", "research station papers", "research staff papers"
"research where papers" » "research what papers", "research work papers", "research why papers", "research where players", "research theme papers", "research where leaders"
"research late papers" » "research later papers", "research gate papers", "research kate papers", "research late paper"

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