Perhaps you should try some spelling variations:
"improving shared performance risk." » "improving care performance risk.", "improving based performance risk.", "improving board performance risk.", "improving water performance risk.", "improving land performance risk.", "improving safety performance risk.", "improving shared performance size.", "improving shared performance based.", "improving shared performance _."
"improving sharia performances risk." » "improving sharia performance risks.", "improving sharia performance size.", "improving sharia performances _.", "improving thermal performances risk.", "improving social performances risk.", "improving air performances 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 shared performance risk.") OR ("improving sharia performances risk."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"improving shared performance risk.\") OR (\"improving sharia performances risk.\"))".
• Removing quotes may allow a broader search: (( improving shared performance risk. ) OR ( improving sharia performances risk. )).
• Adding a wildcard symbol may retrieve word variants: (("improving shared performance risk.") OR ("improving sharia performances risk."))*.