Perhaps you should try some spelling variations:
"improving loan performance based." » "improving loan performance measures.", "improving poor performance based.", "improving bank performance based.", "improving _ performance based.", "improving local performance based.", "improving land performance based.", "improving road performance based."
"improving board performance risk." » "improving poor performance risk.", "improving bank performance risk.", "improving court performance risk.", "improving board performance size.", "improving board performance _.", "improving board performance data.", "improving road performance risk.", "improving shared performance risk.", "improving land performance risk."

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