Perhaps you should try some spelling variations:
"improving judicial performance series." » "improving social performance series.", "improving financial performance series.", "improving fiscal performance series.", "improving municipal performance series.", "improve judicial performance series.", "improving judicial performance studies.", "improving judicial performance size."
"improving human performance evidence." » "improving loan performance evidence.", "improving thermal performance evidence.", "improving chain 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 human performance evidence.") or ("improving judicial performance series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving human performance evidence.") OR ("improving judicial performance series.")).
• Removing quotes may allow a broader search: (( improving human performance evidence. ) or ( improving judicial performance series. )).
• Adding a wildcard symbol may retrieve word variants: (("improving human performance evidence.") or ("improving judicial performance series."))*.