Perhaps you should try some spelling variations:
"improving loan performance review." » "improving loan performance risk.", "improving loan performance evidence.", "improving poor performance review.", "improving bank performance review.", "improving _ performance review.", "improving local performance review.", "improving land performance review.", "improving road performance review."
"improving thermal performance targets." » "improving maternal performance targets.", "improving rural performance targets.", "improving human performance targets."

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