Perhaps you should try some spelling variations:
development centred » development centered, development centre, development centres
development inter » development center, development index, development intra
oecd development » child development, based development
centred working » centre working, center working, gendered working
working papers » working paper
inter working » inter networking, internet working, interface 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 inter working papers ) OR ( oriented development centred working papers )).
• Adding a wildcard symbol may retrieve word variants: (( oecd development inter working papers ) or ( oriented development centred working papers ))*.