Perhaps you should try some spelling variations:
"international relief economic status" » "international rules economic status", "international center economic status", "international rice economic status", "international helium economic status", "international resilient economic status", "international religion economic status", "international relief economic sectors", "international relief socioeconomic status"
"international brief economic studies" » "international series economic studies", "international border economic studies", "international bridge economic studies", "international tariff economic studies", "international britain economic studies", "international british economic studies"

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 relief economic status"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("international brief economic studies") OR ("international relief economic status")).
• Removing quotes may allow a broader search: (( international brief economic studies ) or ( international relief economic status )).
• Adding a wildcard symbol may retrieve word variants: (("international brief economic studies") or ("international relief economic status"))*.