Perhaps you should try some spelling variations:
"improving eco performance metrics." » "improving eco performance measures.", "improving do performance metrics.", "improving ceo performance metrics.", "improving core performance metrics.", "improving co performance metrics.", "improving e performance metrics.", "improving eap performance metrics."
"improving care performance risks." » "improving care performance risk.", "improving trade performance risks.", "improving drive performance risks.", "improving 2 performance risks.", "improving early performance risks.", "improving air performance risks.", "improving data performance risks."

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 risks.") or ("improving eco performance metrics."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving care performance risks.") OR ("improving eco performance metrics.")).
• Removing quotes may allow a broader search: (( improving care performance risks. ) or ( improving eco performance metrics. )).
• Adding a wildcard symbol may retrieve word variants: (("improving care performance risks.") or ("improving eco performance metrics."))*.