Perhaps you should try some spelling variations:
"improve contract performance metrics." » "improve country performance metrics.", "improve court performance metrics.", "improve economic performance metrics.", "improve contract performance measures.", "improve contrast performance metrics.", "improve content performance metrics.", "improved control performance metrics."
"improving bank performance review." » "improving bank performance risk.", "improving bank performance evidence.", "improving urban performance review.", "improving basic performance review.", "improving brain performance review."

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

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