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

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