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

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