Perhaps you should try some spelling variations:
"improving can performance metrics." » "improving can performance measures.", "improving chain performance metrics.", "improving loan performance metrics.", "improving human performance metrics.", "improving care performance metrics.", "improving a performance metrics.", "improving co performance metrics."
"improving past performance evidence." » "improving plant performance evidence.", "improving port performance evidence.", "improving transit performance evidence.", "improving fast performance evidence.", "improving post performance evidence."

Try widening your search to All Fields.

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

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