Perhaps you should try some spelling variations:
"international poverty economies series" » "national poverty economies series", "international poverty economic series", "international property economic series", "international diverse economies series", "international poverty economics series", "international poverty economy series"
"international base economies versus" » "international case economies versus", "international cases economies versus", "international basic economies versus", "international base economic versus", "international base economies lessons", "international base economies results", "international based economies versus", "international based economics versus", "international east economies versus"

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