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

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