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 basic performance targets." » "improving based performance targets.", "improving music performance targets.", "improving baseline performance targets.", "improving air performance targets.", "improve basic 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 basic performance targets."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving contract performance metrics.") OR ("improving basic performance targets.")).
• Removing quotes may allow a broader search: (( improving contract performance metrics. ) or ( improving basic performance targets. )).
• Adding a wildcard symbol may retrieve word variants: (("improving contract performance metrics.") or ("improving basic performance targets."))*.