Perhaps you should try some spelling variations:
"international resilient economic surveys" » "international relief economic surveys", "international retailing economic surveys", "international recruitment economic surveys", "international resilient economies surveys", "international resilient economy surveys", "international resistant economic surveys", "international resilient economic systems"
"international rivers economic studies" » "international river economic studies", "international waters economic studies", "international rice economic studies", "international rivers economic status", "international diverse economic studies", "international drives 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 resilient economic surveys") or ("international rivers economic studies"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("international resilient economic surveys") OR ("international rivers economic studies")).
• Removing quotes may allow a broader search: (( international resilient economic surveys ) or ( international rivers economic studies )).
• Adding a wildcard symbol may retrieve word variants: (("international resilient economic surveys") or ("international rivers economic studies"))*.