Perhaps you should try some spelling variations:
"world economic and financial service." » "world economic and financial services.", "world economy and financial service."
"world economic and financial stress." » "world economic and financial distress.", "world economic and financial access.", "world economic and financial strength.", "world economy and financial stress."
"world economic and financial series." » "world economic and financial services.", "world economic and financial studies.", "world economic and financial barriers.", "world economy and financial series."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("world economic and financial service.") or ("world economic and financial stress."))) or ("world economic and financial series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("world economic and financial service.") OR ("world economic and financial stress."))) OR ("world economic and financial series.")).
• Removing quotes may allow a broader search: (((( world economic and financial service. ) or ( world economic and financial stress. ))) or ( world economic and financial series. )).
• Adding a wildcard symbol may retrieve word variants: (((("world economic and financial service.") or ("world economic and financial stress."))) or ("world economic and financial series."))*.