Perhaps you should try some spelling variations:
"world economic and financial surveys." » "world economic and financial stress.", "world economic and financial service.", "world economic and financial burden."
"world economy and financial systems." » "world economy and financial statements.", "world economy and financial sectors."
"world economic and financial system." » "world economic and financial sector."
"world economic and financial services." » "world economic and financial series."

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