Perhaps you should try some spelling variations:
economics department » economics development, economics experiments, economics management
academic department » academic departments, academic patent, academic development
department working » departments working, department boarding, department nursing
kcd economics » oecd economies, land economics, food economics
oecd academic » lead academic, second academic, world academic
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: (( kcd economics department working paper ) OR ( oecd academic department working paper )).
• Adding a wildcard symbol may retrieve word variants: (( kcd economics department working paper ) or ( oecd academic department working paper ))*.