Perhaps you should try some spelling variations:
"international political economy surveys" » "international policy economy surveys", "international political economy series", "international political economic survey", "international political economy surplus"
"international prices economic surveys" » "international prices economic studies", "international prices economic systems", "international crises economic surveys", "international prices econometric surveys", "international services 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 political economy surveys") or ("international prices economic surveys"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("international political economy surveys") OR ("international prices economic surveys")).
• Removing quotes may allow a broader search: (( international political economy surveys ) or ( international prices economic surveys )).
• Adding a wildcard symbol may retrieve word variants: (("international political economy surveys") or ("international prices economic surveys"))*.