Perhaps you should try some spelling variations:
"international openness economy series" » "international roughness economy series", "international business economy series", "international agencies economy series", "international open economy series"
"international poverty economic studies" » "national poverty economic studies", "international best economic studies", "international policy economic studies", "international energy economic studies", "international poverty economic status", "international poverty 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 openness economy series") or ("international poverty economic studies"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("international openness economy series") OR ("international poverty economic studies")).
• Removing quotes may allow a broader search: (( international openness economy series ) or ( international poverty economic studies )).
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