Perhaps you should try some spelling variations:
"world economy and financial statements." » "world economy and financial management."
"world economy and financial strengthen." » "world economy and financial strength.", "world economy and financial stresses."
"world economic and financial systems." » "world economic and financial system."

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 systems.") or ((((("world economy and financial statements.") or ("world economy and financial distress."))) or ("world economy and financial strengthen."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("world economic and financial systems.") OR ((((("world economy and financial statements.") OR ("world economy and financial distress."))) OR ("world economy and financial strengthen."))))*.
• Removing quotes may allow a broader search: (( world economic and financial systems. ) or ((((( world economy and financial statements. ) or ( world economy and financial distress. ))) or ( world economy and financial strengthen. ))))*.