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

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