Perhaps you should try some spelling variations:
"international french economy series" » "international freight economy series", "international trends economy series", "international arena economy series", "international french economics series", "international free economy series"
"international rich economy series" » "international rice economy series", "international price economy series", "international risk economy series", "international rich economics series", "international rich economies series", "international cash economy series", "international bio 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 rich economy series") OR ("international french economy series"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"international rich economy series\") OR (\"international french economy series\"))".
• Removing quotes may allow a broader search: (( international rich economy series ) OR ( international french economy series )).
• Adding a wildcard symbol may retrieve word variants: (("international rich economy series") OR ("international french economy series"))*.