Perhaps you should try some spelling variations:
"improving animal performance series." » "improving annual performance series.", "improving thermal performance series.", "improving fiscal performance series.", "improving animal performance metrics.", "improving animal performance reviews.", "improving animal performance review.", "improving criminal performance series.", "improving primary performance series.", "improving climate performance series."
"improving loan performance evidence." » "improving poor performance evidence.", "improving bank performance evidence.", "improving _ performance evidence.", "improving local performance evidence.", "improving land performance evidence.", "improving road performance evidence."

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