Perhaps you should try some spelling variations:
international open » international arena, international oil, international openness
international best » international bank, international business
open economies » open economy
economy fierce » economy evidence
economies ten » economies can, economies twenty, economies after
best economy » host economy, forest economy, based economy

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 open economies ten ) OR ( international best economy fierce ))~.
• Adding a wildcard symbol may retrieve word variants: (( international open economies ten ) or ( international best economy fierce ))*.