Perhaps you should try some spelling variations:
"international arena economic studies" » "international agenda economic studies", "international aid economic studies", "international air economic studies", "international arena economic status", "international armenia economic studies", "international areas economic studies"
"international area economic surveys" » "international armed economic surveys", "international great economic surveys", "international asia economic surveys", "international area economic systems", "international real economic surveys", "international africa economic surveys"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("international area economic surveys") or ("international arena economic studies"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("international area economic surveys") OR ("international arena economic studies")).
• Removing quotes may allow a broader search: (( international area economic surveys ) or ( international arena economic studies )).
• Adding a wildcard symbol may retrieve word variants: (("international area economic surveys") or ("international arena economic studies"))*.