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 late papers"
"research sope paper" » "research scope paper", "research some paper", "research sops paper", "research same paper"
"research wove paper" » "research move paper", "research novel paper", "research cover 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 sope paper") OR ("research wove paper"))) OR ("research white papers")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"research sope paper\") OR (\"research wove paper\"))) or (\"research white papers\"))".
• Removing quotes may allow a broader search: (((( research sope paper ) OR ( research wove paper ))) or ( research white papers )).
• Adding a wildcard symbol may retrieve word variants: (((("research sope paper") OR ("research wove paper"))) or ("research white papers"))*.