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

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 services."))) 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 economy and financial services."))) OR ("world economic and financial system.")).
• Removing quotes may allow a broader search: (((( world economic and financial surveys. ) or ( world economy and financial services. ))) or ( world economic and financial system. )).
• Adding a wildcard symbol may retrieve word variants: (((("world economic and financial surveys.") or ("world economy and financial services."))) or ("world economic and financial system."))*.