Perhaps you should try some spelling variations:
"improving urban performance review." » "improving urban performance risk.", "improving urban performance evidence.", "improving bank performance review.", "improving loan performance review.", "improving can performance review."
"improving pupil performance series." » "improving pupil performance metrics.", "improving pupil performance reviews.", "improving pupil performance targets.", "improving social performance series.", "improving fund performance series.", "improving judicial performance series.", "improving public performance series.", "improving supply performance series.", "improving rural 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 review.") or ("improving pupil performance series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving urban performance review.") OR ("improving pupil performance series.")).
• Removing quotes may allow a broader search: (( improving urban performance review. ) or ( improving pupil performance series. )).
• Adding a wildcard symbol may retrieve word variants: (("improving urban performance review.") or ("improving pupil performance series."))*.