Perhaps you should try some spelling variations:
"improving utility performance metrics." » "improving utility performance measures.", "improving quality performance metrics.", "improve utility performance metrics.", "improving equity performance metrics."
"improving rural performance review." » "improving rural performance risk.", "improving rural performance evidence.", "improving euract performance review.", "improving larval performance review.", "improving pupil performance review."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("improving rural performance review.") or ("improving utility performance metrics."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving rural performance review.") OR ("improving utility performance metrics.")).
• Removing quotes may allow a broader search: (( improving rural performance review. ) or ( improving utility performance metrics. )).
• Adding a wildcard symbol may retrieve word variants: (("improving rural performance review.") or ("improving utility performance metrics."))*.