Perhaps you should try some spelling variations:
"improving food performance metrics." » "improving food performance contracts.", "improving food performance measures.", "improving food performance contract.", "improving good performance metrics.", "improving poor performance metrics.", "improving fund performance metrics.", "improving land performance metrics."
"improving human performance risk." » "improving loan performance risk.", "improving thermal performance risk.", "improving company performance risk.", "improving human performance size.", "improving human performance based.", "improving human performance _.", "improving urban performance risk.", "improving rural performance risk."

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