Perhaps you should try some spelling variations:
"improving local performance metrics." » "improving local performance contracts.", "improving local performance measures.", "improving local performance contract.", "improving social performance metrics.", "improving loan performance metrics.", "improving fiscal performance metrics.", "improving global performance metrics."
"improving basic performance evidence." » "improving based performance evidence.", "improving bank performance evidence.", "improving past performance evidence.", "improving air performance evidence.", "improve basic performance evidence.", "improving public performance evidence."

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• Performing a fuzzy search may retrieve terms with similar spellings: (("improving basic performance evidence.") or ("improving local performance metrics."))~.
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