Perhaps you should try some spelling variations:
"international open economies trade" » "international arena economies trade", "international openness economies trade", "international company economies trade", "international open economy trade"
"international oil economies trade" » "international aid economies trade", "international air economies trade", "international bond economies trade", "international oil economy trade", "international local economies trade", "international world economies trade", "international host economies trade"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("international open economies trade") OR ("international oil economies trade"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"international open economies trade\") OR (\"international oil economies trade\"))".
• Removing quotes may allow a broader search: (( international open economies trade ) OR ( international oil economies trade )).
• Adding a wildcard symbol may retrieve word variants: (("international open economies trade") OR ("international oil economies trade"))*.