Perhaps you should try some spelling variations:
"improving local performance studies." » "improving local performance audits.", "improving local performance audit.", "improving local performance standards.", "improving social performance studies.", "improving global performance studies.", "improving total performance studies.", "improving fiscal performance studies."
"improving human performance review." » "improving human performance risk.", "improving human performance evidence.", "improving loan performance review.", "improving thermal performance review.", "improving chain performance review."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("improving human performance review.") or ("improving local performance studies."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving human performance review.") OR ("improving local performance studies."))*.
• Removing quotes may allow a broader search: (( improving human performance review. ) or ( improving local performance studies. ))*.