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

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 economics surveys") OR ("international economic economics surveys"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"international ecological economics surveys\") OR (\"international economic economics surveys\"))".
• Removing quotes may allow a broader search: (( international ecological economics surveys ) OR ( international economic economics surveys )).
• Adding a wildcard symbol may retrieve word variants: (("international ecological economics surveys") OR ("international economic economics surveys"))*.