Perhaps you should try some spelling variations:
"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 social performance review."
"improving urban performance contracts." » "improving bank performance contracts.", "improving loan performance contracts.", "improving can performance contracts."

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 urban performance contracts."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"improving rural performance review.\") OR (\"improving urban performance contracts.\"))*".
• Removing quotes may allow a broader search: (( improving rural performance review. ) OR ( improving urban performance contracts. ))*.