Perhaps you should try some spelling variations:
"international brief economic studies" » "international series economic studies", "international relief economic studies", "international border economic studies", "international tariff economic studies", "international britain economic studies", "international british economic studies"
"international brief economic status" » "international series economic status", "international relief economic status", "international border economic status", "international brief economic sectors", "international brief socioeconomic status", "international tariff economic status", "international britain economic status", "international british economic status"

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

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