Perhaps you should try some spelling variations:
"improving basic performance metrics." » "improving basic performance contracts.", "improving basic performance measures.", "improving basic performance contract.", "improving based performance metrics.", "improving bank performance metrics.", "improving past performance metrics.", "improving air performance metrics.", "improve basic performance metrics."
"improving public performance targets." » "improving building performance targets.", "improving specific performance targets.", "improving quality 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 public performance targets.") or ("improving basic performance metrics."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving public performance targets.") OR ("improving basic performance metrics."))*.
• Removing quotes may allow a broader search: (( improving public performance targets. ) or ( improving basic performance metrics. ))*.