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 port performance targets." » "improving export performance targets.", "improving court performance targets.", "improving plant performance targets.", "improving post performance targets.", "improving poor performance targets."

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

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