Perhaps you should try some spelling variations:
"improving company performance series." » "improving country performance series.", "improving company performance studies.", "improving company performance size.", "improve company performance series.", "improving compliance performance series.", "improving community performance series."
"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 company performance series.") or ("improving local performance metrics."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving company performance series.") OR ("improving local performance metrics.")).
• Removing quotes may allow a broader search: (( improving company performance series. ) or ( improving local performance metrics. )).
• Adding a wildcard symbol may retrieve word variants: (("improving company performance series.") or ("improving local performance metrics."))*.