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