Perhaps you should try some spelling variations:
"improving public performance risk." » "improving building performance risk.", "improving specific performance risk.", "improving quality performance risk.", "improving public performance size.", "improving public performance based.", "improving public performance _."
"improving loan performance risk." » "improving loan performance size.", "improving loan performance based.", "improving loan performance _.", "improving poor performance risk.", "improving bank performance risk.", "improving _ performance risk.", "improving local performance risk.", "improving land performance risk.", "improving road 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 public performance risk.") or ("improving loan performance risk."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving public performance risk.") OR ("improving loan performance risk.")).
• Removing quotes may allow a broader search: (( improving public performance risk. ) or ( improving loan performance risk. )).
• Adding a wildcard symbol may retrieve word variants: (("improving public performance risk.") or ("improving loan performance risk."))*.