Perhaps you should try some spelling variations:
"international ecological economics series" » "international technological economics series", "international psychological economics series", "international economics economics series"
international political » international policy
"International political economic surveys" » "International political economy surveys", "International policy economic surveys", "International political economic studies", "International political economic systems"

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 surveys") or ("international ecological economics series"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("International political economic surveys") OR ("international ecological economics series")).
• Removing quotes may allow a broader search: (( International political economic surveys ) or ( international ecological economics series )).
• Adding a wildcard symbol may retrieve word variants: (("International political economic surveys") or ("international ecological economics series"))*.