Perhaps you should try some spelling variations:
"improving rural performance metrics." » "improving rural performance measures.", "improving euract performance metrics.", "improving larval performance metrics.", "improving pupil performance metrics."
"improving care performance targets." » "improving trade performance targets.", "improving drive performance targets.", "improving 2 performance targets.", "improving early performance targets.", "improving air performance targets.", "improving data 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 care performance targets.") or ("improving rural performance metrics."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving care performance targets.") OR ("improving rural performance metrics.")).
• Removing quotes may allow a broader search: (( improving care performance targets. ) or ( improving rural performance metrics. )).
• Adding a wildcard symbol may retrieve word variants: (("improving care performance targets.") or ("improving rural performance metrics."))*.