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