Perhaps you should try some spelling variations:
"improving coverage performance metrics." » "improving average performance metrics.", "improving overall performance metrics.", "improving governance performance metrics.", "improving coverage performance measures.", "improved coverage performance metrics.", "improves coverage performance metrics."
"improving local performance reviews." » "improving local performance review.", "improving local performance reports.", "improving local performance risks.", "improving social performance reviews.", "improving global performance reviews.", "improving total performance reviews.", "improving fiscal performance reviews."

Try widening your search to All Fields.

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

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