Perhaps you should try some spelling variations:
"improving poor performance risk." » "improving poor performance size.", "improving poor performance based.", "improving poor performance _.", "improving export performance risk.", "improving sector performance risk.", "improving _ performance risk.", "improving power performance risk.", "improving food performance risk.", "improving indoor performance risk."
"improving care performance risk." » "improving care performance size.", "improving care performance based.", "improving care performance _.", "improving market performance risk.", "improving trade performance risk.", "improving court performance risk.", "improving water performance risk.", "improving early performance risk.", "improving land 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 poor performance risk.") or ("improving care performance risk."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving poor performance risk.") OR ("improving care performance risk.")).
• Removing quotes may allow a broader search: (( improving poor performance risk. ) or ( improving care performance risk. )).
• Adding a wildcard symbol may retrieve word variants: (("improving poor performance risk.") or ("improving care performance risk."))*.