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 service."
"world economic and financial systems." » "world economic and financial system.", "world economic and financial statements."
"world economy and financial systems." » "world economy and financial system.", "world economy and financial statements."
"world economic and financial strength." » "world economic and financial strengths.", "world economic and financial strengthen."

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