Perhaps you should try some spelling variations:
"improving rural performance contract." » "improving rural performance contracts.", "improving pupil performance contract.", "improving thermal performance contract.", "improving overall performance contract.", "improving urban performance contract."
"improving social performance review." » "improving school performance review.", "improving fiscal performance review.", "improving financial performance review.", "improving social performance risk.", "improving social 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 social performance review.") or ("improving rural performance contract."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving social performance review.") OR ("improving rural performance contract.")).
• Removing quotes may allow a broader search: (( improving social performance review. ) or ( improving rural performance contract. )).
• Adding a wildcard symbol may retrieve word variants: (("improving social performance review.") or ("improving rural performance contract."))*.