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

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 political economy series") or ("international economic economics studies"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("international political economy series") OR ("international economic economics studies")).
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