Perhaps you should try some spelling variations:
"improving pupil performance targets." » "improving social performance targets.", "improving fund performance targets.", "improving judicial performance targets.", "improving public performance targets.", "improving supply performance targets.", "improving civil performance targets."
"improving rural performance measures." » "improving thermal performance measures.", "improving overall performance measures.", "improving fiscal performance measures.", "improving urban performance measures.", "improving social performance measures."

Try widening your search to All Fields.

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

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