Perhaps you should try some spelling variations:
international ecological » international technological, international psychological, international economics
"international political economy series" » "international policy economy series", "international political economics series"
"International ecological economic status" » "International ecological economics status", "International political economic status", "International economics economic status", "International ecological economic sectors", "International ecological socioeconomic status"

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