Perhaps you should try some spelling variations:
"international policy economic theories" » "international poverty economic theories", "international prices economic theories", "national policy economic theories", "international policy economic theory"
"international economics economics status" » "international economics economic status", "international economics econometric status", "international ecological economics status", "international economics economy status", "international economics ecological status"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("international economics economics status") or ("international policy economic theories"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("international economics economics status") OR ("international policy economic theories"))*.
• Removing quotes may allow a broader search: (( international economics economics status ) or ( international policy economic theories ))*.