Perhaps you should try some spelling variations:
"improving land performance review." » "improving land performance risk.", "improving plant performance review.", "improving bank performance review.", "improving loan performance review.", "improved land performance review."
"improving human performance evidence." » "improving loan performance evidence.", "improving thermal performance evidence.", "improving company performance evidence.", "improving urban performance evidence.", "improving rural 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 land performance review.") or ("improving human performance evidence."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving land performance review.") OR ("improving human performance evidence.")).
• Removing quotes may allow a broader search: (( improving land performance review. ) or ( improving human performance evidence. )).
• Adding a wildcard symbol may retrieve word variants: (("improving land performance review.") or ("improving human performance evidence."))*.