Perhaps you should try some spelling variations:
international economic » international economics
international conomic » international economics, international cosmic, internationale economie
conomic integration » economic intregration, economics integration, genomic integration

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: (( international conomic integration ) OR ( international economic integration )).
• Adding a wildcard symbol may retrieve word variants: (( international conomic integration ) or ( international economic integration ))*.