Perhaps you should try some spelling variations:
"improving urban performance reviews." » "improving urban performance review.", "improving urban performance reports.", "improving urban performance risks.", "improving bank performance reviews.", "improving can performance reviews.", "improving a performance reviews."
"improving loan performance measures." » "improving poor performance measures.", "improving bank performance measures.", "improving _ performance measures.", "improving local performance measures.", "improving land performance measures.", "improving road performance measures."

Try widening your search to All Fields.

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