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 risk." » "improving school performance risk.", "improving fiscal performance risk.", "improving financial performance risk.", "improving social performance size.", "improving social performance based.", "improving social performance _."

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 risk.") or ("improving rural performance contract."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving social performance risk.") OR ("improving rural performance contract."))*.
• Removing quotes may allow a broader search: (( improving social performance risk. ) or ( improving rural performance contract. ))*.