Perhaps you should try some spelling variations:
international policy » international poverty, international prices, national policy
"international political economic theories" » "international political economy theories", "international ecological economics theories", "international political economic theory", "international political economics series"
"International policy economic series" » "International policy economics series", "International policy economic services", "International policy economy 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 policy economic series") or ("international political economic theories"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("International policy economic series") OR ("international political economic theories")).
• Removing quotes may allow a broader search: (( International policy economic series ) or ( international political economic theories )).
• Adding a wildcard symbol may retrieve word variants: (("International policy economic series") or ("international political economic theories"))*.