Perhaps you should try some spelling variations:
"improving bank performance review." » "improving bank performance risk.", "improving market performance review.", "improving _ performance review.", "improving firm performance review.", "improving land performance review.", "improving basic performance review.", "improving air performance review."
"improving urban performance evidence." » "improving loan performance evidence.", "improving can performance evidence.", "improving a performance evidence."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("improving bank performance review.") or ("improving urban performance evidence."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving bank performance review.") OR ("improving urban performance evidence.")).
• Removing quotes may allow a broader search: (( improving bank performance review. ) or ( improving urban performance evidence. )).
• Adding a wildcard symbol may retrieve word variants: (("improving bank performance review.") or ("improving urban performance evidence."))*.