Perhaps you should try some spelling variations:
"improving social performance risks." » "improving school performance risks.", "improving fiscal performance risks.", "improving financial performance risks.", "improving social performance issues.", "improving social performance based.", "improving social performance size.", "improving social performance sizes.", "improving social performance baseds.", "improving social performance _s."
"improving urban performance risk." » "improving bank performance risk.", "improving loan performance risk.", "improving can performance risk.", "improving urban performance size.", "improving urban performance based.", "improving urban performance _."

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

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