Perhaps you should try some spelling variations:
"improving urban performance review." » "improving urban performance risk.", "improving urban performance evidence.", "improving bank performance review.", "improving loan performance review.", "improving can performance review."
"improving poor performance targets." » "improving export performance targets.", "improving sector performance targets.", "improving _ performance targets.", "improving power performance targets.", "improving food performance targets.", "improving indoor performance targets."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("improving urban performance review.") OR ("improving poor performance targets."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"improving urban performance review.\") OR (\"improving poor performance targets.\"))".
• Removing quotes may allow a broader search: (( improving urban performance review. ) OR ( improving poor performance targets. )).
• Adding a wildcard symbol may retrieve word variants: (("improving urban performance review.") OR ("improving poor performance targets."))*.