Perhaps you should try some spelling variations:
oecd development » based development, oriented development
development case » development chapter
working papers » working paper
case working » care working, base working, clause working
cct working » act working, cost working, net working

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 development cct working papers ) OR ( child development cct working papers ))) OR ( oecd development case working papers )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( oecd development cct working papers ) OR ( child development cct working papers ))) or ( oecd development case working papers ))".
• Adding a wildcard symbol may retrieve word variants: (((( oecd development cct working papers ) OR ( child development cct working papers ))) or ( oecd development case working papers ))*.