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 co performance risk." » "improving co performance size.", "improving co performance _.", "improving co performance data.", "improving do performance risk.", "improving crop performance risk.", "improving job performance risk.", "improving _ performance risk.", "improving macro performance risk.", "improving food performance risk."

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