Perhaps you should try some spelling variations:
employment development » employee development, development development, environment development
region economic » regional economic, regional economics, union economic
oecd region » oecd regions, oecd regional, oecd pension
paper » 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 region economic AND employment development (leed) working paper.
• Adding a wildcard symbol may retrieve word variants: oecd region economic and employment development (leed) working paper*.