Perhaps you should try some spelling variations:
"international closed economies some" » "international case economies some", "international code economies some", "international cases economies some", "international closed economy some", "international planned economies some", "international closed economics some", "international closed economies more", "international closed economies size"
"international open economies have" » "international hope economies have", "international order economies have", "international scope economies have", "international open economy have", "international open economies has", "international open economies change", "international open economies a"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("international closed economies some") or ("international open economies have"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("international closed economies some") OR ("international open economies have"))*.
• Removing quotes may allow a broader search: (( international closed economies some ) or ( international open economies have ))*.