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