Perhaps you should try some spelling variations:
research written » research write, research within, research writing
writing paper » writing part
written paper » written after
white papers » white paper
state papers » staff papers
write paper » white paper, waste paper, write chapter

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