Perhaps you should try some spelling variations:
economies development » economics development, economics developments, economic development
development working » development work, development workflow, development within
department working » departments working, department boarding, department work
department nursing » department guessing, departments using, department building
working papers » working 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: (( oecd economic ((department working) OR (department nursing)) papers ) OR ( oecd economies development working papers )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( oecd economic ((department working) OR (department nursing)) papers ) or ( oecd economies development working papers ))".
• Adding a wildcard symbol may retrieve word variants: (( oecd economic ((department working) OR (department nursing)) papers ) or ( oecd economies development working papers ))*.