Perhaps you should try some spelling variations:
"improving human performance reviews." » "improving human performance review.", "improving human performance reports.", "improving human performance risks.", "improving loan performance reviews.", "improving thermal performance reviews.", "improving chain performance reviews."
"improving local performance metrics." » "improving local performance measures.", "improving social performance metrics.", "improving global performance metrics.", "improving total performance metrics.", "improving fiscal performance metrics."

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

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