Perhaps you should try some spelling variations:
"improving urban performance series." » "improving urban performance metrics.", "improving urban performance reviews.", "improving urban performance targets.", "improving bank performance series.", "improving loan performance series.", "improving can performance series."
"improving land performance review." » "improving land performance risk.", "improving land performance evidence.", "improving plant performance review.", "improving bank performance review.", "improving loan performance review.", "improved land performance review."

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