Perhaps you should try some spelling variations:
"improve contract performance metrics." » "improve country performance metrics.", "improve court performance metrics.", "improve corporate performance metrics.", "improve contract performance contracts.", "improve contract performance measures.", "improve contract performance contract."
"improving water performance targets." » "improving better performance targets.", "improving worker performance targets.", "improving states 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: (("improve contract performance metrics.") or ("improving water performance targets."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improve contract performance metrics.") OR ("improving water performance targets."))*.
• Removing quotes may allow a broader search: (( improve contract performance metrics. ) or ( improving water performance targets. ))*.