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