Perhaps you should try some spelling variations:
"world economic and financial stress." » "world economic and financial distress.", "world economic and financial access.", "world economic and financial systems.", "world economy and financial stress."
"world economic and financial services." » "world economy and financial services.", "world economic and financial series."
"world economic and financial strength." » "world economy 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 stress.") or ("world economic and financial services."))) or ("world economic and financial strength."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("world economic and financial stress.") OR ("world economic and financial services."))) OR ("world economic and financial strength.")).
• Removing quotes may allow a broader search: (((( world economic and financial stress. ) or ( world economic and financial services. ))) or ( world economic and financial strength. )).
• Adding a wildcard symbol may retrieve word variants: (((("world economic and financial stress.") or ("world economic and financial services."))) or ("world economic and financial strength."))*.