Perhaps you should try some spelling variations:
economics development » economic development
economic developments » economic development
developments ensuring » development ensuring, development enduring, development measuring
development using » development urban
ensuring papers » ensuring proper, ensuring power, ensuring patient
oecd economics » oecd economies, kcd economics, world economics
oecd economic » world economic
using papers » using paper, using panels, being 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 using papers ) OR ( oecd economic developments ensuring papers )).
• Adding a wildcard symbol may retrieve word variants: (( oecd economics development using papers ) or ( oecd economic developments ensuring papers ))*.