Perhaps you should try some spelling variations:
"improving business performance risk." » "improve business performance risk.", "exploring business performance risk.", "emerging business performance risk.", "improving business performance 2019."
"improving e performance evidence." » "improving 2 performance evidence.", "improving use performance evidence.", "improving care performance evidence.", "improving ex performance evidence.", "improving _ performance evidence.", "improving a performance evidence."

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

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