Perhaps you should try some spelling variations:
"international africa's economy series" » "international african economy series", "international prices economy series", "international airways economy series", "international africa's economic series", "international america's economic series", "international africa's economics series"
"international banks autonomy series" » "international bank autonomy series", "international best autonomy series", "international business autonomy series", "international banks astronomy series", "international banks autonomy states", "international banks autonomy survey"

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