Perhaps you should try some spelling variations:
"international africa's economy series" » "international prices economy series", "international agencies economy series", "international price economy series", "international africa's economic series", "international african economy series", "international africa economic series"
"international poverty economy series" » "national poverty economy series", "international best economy series", "international poverty economic series", "international poverty economies 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 poverty economy series") or ("international africa's economy series"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("international poverty economy series") OR ("international africa's economy series")).
• Removing quotes may allow a broader search: (( international poverty economy series ) or ( international africa's economy series )).
• Adding a wildcard symbol may retrieve word variants: (("international poverty economy series") or ("international africa's economy series"))*.