Perhaps you should try some spelling variations:
development within » development what, development china
oecd economic » world economic
kcd economics » oecd economies, land economics, food economics
within papers » within papez's, within layers, within popes

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) OR (kcd economics)) development within papers.
• Adding a wildcard symbol may retrieve word variants: ((oecd economic) or (kcd economics)) development within papers*.