Perhaps you should try some spelling variations:
"improving contract performance metrics." » "improving country performance metrics.", "improving court performance metrics.", "improving economic performance metrics.", "improving contract performance measures.", "improve contract performance metrics.", "improving central performance metrics.", "improve contrast performance metrics."
"improving shared performance series." » "improving sharia performances series.", "improving sharing performance series.", "improving care performance series.", "improving shared performance studies.", "improving shared performance size.", "improving stored performance series.", "improving sales performance series."

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• Performing a fuzzy search may retrieve terms with similar spellings: (("improving contract performance metrics.") or ("improving shared performance series."))~.
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