Perhaps you should try some spelling variations:
"improving animal performance reviews." » "improving animal performance review.", "improving animal performance reports.", "improving animal performance results.", "improving annual performance reviews.", "improving thermal performance reviews.", "improving fiscal performance reviews.", "improving initial performance reviews.", "improving optimal performance reviews.", "improving criminal performance reviews."
"improving company performance risks." » "improving country performance risks.", "improve company performance risks.", "improving compliance performance risks.", "improving community performance risks.", "improving company performance risk."

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving animal performance reviews.") OR ("improving company performance risks."))~.
• Removing quotes may allow a broader search: (( improving animal performance reviews. ) or ( improving company performance risks. ))~.
• Adding a wildcard symbol may retrieve word variants: (("improving animal performance reviews.") or ("improving company performance risks."))*.