Perhaps you should try some spelling variations:
"world economic and financial systems." » "world economic and financial system.", "world economic and financial statements.", "world economy and financial systems."
"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 crisis." » "world economy and financial crisis."

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