Perhaps you should try some spelling variations:
"improving firms performance metrics." » "improving firms performance measures.", "improving firm performance metrics.", "improving firm performances metrics.", "improving funds performance metrics.", "improving farmers performance metrics.", "importing firms performance metrics.", "improving air performance metrics."
"improving loan performance review." » "improving loan performance risk.", "improving loan performance evidence.", "improving local performance review.", "improving land performance review.", "improving lead performance review."

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