Perhaps you should try some spelling variations:
development center » development centre, development chapter, development context
development intra » development india, development internal, development index
oecd development » based development, oriented development
center working » centred working, century working, inter working
working papers » working paper
intra working » inter working, entry working, india 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 center working papers ) OR ( child development intra working papers )).
• Adding a wildcard symbol may retrieve word variants: (( oecd development center working papers ) or ( child development intra working papers ))*.