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

Try widening your search to All Fields.

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

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