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

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