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

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 service."))) or ((("world economy and financial sectors.") or ("world economy and financial system."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("world economy and financial services.") OR ("world economy and financial service."))) OR ((("world economy and financial sectors.") OR ("world economy and financial system."))))*.
• Removing quotes may allow a broader search: (((( world economy and financial services. ) or ( world economy and financial service. ))) or ((( world economy and financial sectors. ) or ( world economy and financial system. ))))*.