Perhaps you should try some spelling variations:
"improving rural performance review." » "improving rural performance risk.", "improving euract performance review.", "improving larval performance review.", "improving pupil performance review."
"improving city performance evidence." » "improving key performance evidence.", "improving country performance evidence.", "improving utility performance evidence.", "improving eitc performance evidence.", "improving equity performance evidence.", "improving birth 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 rural performance review.") or ("improving city performance evidence."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving rural performance review.") OR ("improving city performance evidence.")).
• Removing quotes may allow a broader search: (( improving rural performance review. ) or ( improving city performance evidence. )).
• Adding a wildcard symbol may retrieve word variants: (("improving rural performance review.") or ("improving city performance evidence."))*.