Perhaps you should try some spelling variations:
"international economies economy studies" » "international economics economy studies", "international economic economy studies", "international economy economy studies", "international economies economic studies", "international economics economic studies", "international economics economics studies", "international economies economy series"
"international political economy theories" » "international policy economy theories", "international political economic theories", "international political economics theories", "international political economy series"

Try widening your search to All Fields.

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

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