Perhaps you should try some spelling variations:
"improving loan performance metrics." » "improving loan performance measures.", "improving local performance metrics.", "improving land performance metrics.", "improving lead performance metrics."
"improving thermal performance contracts." » "improving external performance contracts.", "improving animal performance contracts.", "improving erm performance contracts."

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

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