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