Perhaps you should try some spelling variations:
"international economies economics studies" » "international economics economics studies", "international economic economics studies", "international economy economics studies", "international economies economic studies", "international economics economic studies", "international economies economics series", "international economies economics study"
"international policy economy series" » "international poverty economy series", "international prices economy series", "national policy economy series", "international policy economic series", "international polish economy series", "international politics economy series", "international policy economics 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 policy economy series") or ("international economies economics studies"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("international policy economy series") OR ("international economies economics studies")).
• Removing quotes may allow a broader search: (( international policy economy series ) or ( international economies economics studies )).
• Adding a wildcard symbol may retrieve word variants: (("international policy economy series") or ("international economies economics studies"))*.