Perhaps you should try some spelling variations:
"improve judicial performance metrics." » "improve social performance metrics.", "improve financial performance metrics.", "improve fiscal performance metrics.", "improve judicial performance measures.", "improving judicial performance metrics.", "improve official performance metrics."
"improving urban performance series." » "improving urban performance studies.", "improving urban performance size.", "improving bank performance series.", "improving loan performance series.", "improving human performance series."

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

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