Perhaps you should try some spelling variations:
research white » research while, research write, research what
white papers » state papers
scope paper » scoping paper, scopus papers, europe paper
sope paper » same paper, wove paper

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 ((scope paper) OR (sope paper)) ) OR ((( research white papers ) OR ( research white paper )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( research ((scope paper) OR (sope paper)) ) or ((( research white papers ) or ( research white paper ))))".
• Adding a wildcard symbol may retrieve word variants: (( research ((scope paper) OR (sope paper)) ) or ((( research white papers ) or ( research white paper ))))*.