Perhaps you should try some spelling variations:
economics development » economic development, economic developments
development report » development research
management added » management ade, management adapted, management amended
oecd economics » oecd economic, oecd economies, kcd economics
report panels » report panel, reports panel, report pages
added papers » added prayers, added pages, awarded papers

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 economics development report panels ) OR ( oecd economics management added papers )).
• Adding a wildcard symbol may retrieve word variants: (( oecd economics development report panels ) or ( oecd economics management added papers ))*.