Perhaps you should try some spelling variations:
"european emerging countries." » "european exporting countries.", "european importing countries.", "european emerging economies."
"european lagging countries." » "european aging countries.", "european mining countries.", "european basin countries.", "europe aging countries."
"european region countries." » "european origin countries.", "european region country.", "european creditor countries.", "european union countries."
"europe's union countries." » "europe's income countries.", "european union countries.", "european union's countries.", "europe's regions countries."
"europe's arab countries." » "europe's african countries.", "europe's market countries.", "europe's across countries."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((((("european region countries.") or ("europe's union countries."))) or ((((("european lagging countries.") or ("european emerging countries."))) or ("european sending countries."))))) or ("europe's arab countries."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("european region countries.") OR ("europe's union countries."))) OR ((((("european lagging countries.") OR ("european emerging countries."))) OR ("european sending countries."))))) OR ("europe's arab countries."))*.
• Removing quotes may allow a broader search: (((((( european region countries. ) or ( europe's union countries. ))) or ((((( european lagging countries. ) or ( european emerging countries. ))) or ( european sending countries. ))))) or ( europe's arab countries. ))*.