Perhaps you should try some spelling variations:
"world economic and financial stress." » "world economic and financial distress.", "world economic and financial access.", "world economic and financial systems."
"world economy and financial stress." » "world economy and financial distress.", "world economy and financial access.", "world economy and financial systems."
"world economic and financial system." » "world economic and financial sector."

Try widening your search to All Fields.

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 system.") or ((((("world economic and financial stress.") OR ("world economic and financial strength."))) or ("world economy and financial stress."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("world economic and financial system.") OR ((((("world economic and financial stress.") OR ("world economic and financial strength."))) OR ("world economy and financial stress.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"world economic and financial system.\") or (((((\"world economic and financial stress.\") OR (\"world economic and financial strength.\"))) or (\"world economy and financial stress.\"))))".
• Removing quotes may allow a broader search: (( world economic and financial system. ) or ((((( world economic and financial stress. ) OR ( world economic and financial strength. ))) or ( world economy and financial stress. )))).
• Adding a wildcard symbol may retrieve word variants: (("world economic and financial system.") or ((((("world economic and financial stress.") OR ("world economic and financial strength."))) or ("world economy and financial stress."))))*.