Perhaps you should try some spelling variations:
"improving social performance contract." » "improving social performance contracts.", "improving school performance contract.", "improving fiscal performance contract.", "improving financial performance contract."
"improving rural performance review." » "improving rural performance risk.", "improving rural performance evidence.", "improving pupil performance review.", "improving thermal performance review.", "improving overall performance review.", "improving urban performance review."

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