Perhaps you should try some spelling variations:
"improving rural performance metrics." » "improving rural performance contracts.", "improving rural performance measures.", "improving rural performance contract.", "improving pupil performance metrics.", "improving thermal performance metrics.", "improving overall performance metrics.", "improving urban performance metrics.", "improving social performance metrics."
"improving public performance targets." » "improving building performance targets.", "improving specific performance targets.", "improving quality performance targets."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("improving public performance targets.") OR ("improving rural performance metrics."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"improving public performance targets.\") OR (\"improving rural performance metrics.\"))".
• Removing quotes may allow a broader search: (( improving public performance targets. ) OR ( improving rural performance metrics. )).
• Adding a wildcard symbol may retrieve word variants: (("improving public performance targets.") OR ("improving rural performance metrics."))*.