Perhaps you should try some spelling variations:
"improving indoor performance metrics." » "improving indoor performance contracts.", "improving indoor performance measures.", "improving indoor performance contract.", "improving poor performance metrics.", "improving donor performance metrics.", "improving india performance metrics.", "improving india's performance metrics.", "improving food performance metrics.", "improving gender performance metrics."
"improving good performance metrics." » "improving good performance contracts.", "improving good performance measures.", "improving good performance contract.", "improving poor performance metrics.", "improving loan performance metrics.", "improving fund performance metrics.", "improving food performance metrics.", "improving road performance metrics.", "improving land 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 indoor performance metrics.") or ("improving good performance metrics."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving indoor performance metrics.") OR ("improving good performance metrics.")).
• Removing quotes may allow a broader search: (( improving indoor performance metrics. ) or ( improving good performance metrics. )).
• Adding a wildcard symbol may retrieve word variants: (("improving indoor performance metrics.") or ("improving good performance metrics."))*.