Perhaps you should try some spelling variations:
"improving urban performance targets." » "improving bank performance targets.", "improving loan performance targets.", "improving human performance targets."
"improving basic performance contracts." » "improving based performance contracts.", "improving music performance contracts.", "improving baseline performance contracts.", "improving air performance contracts.", "improve basic 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 urban performance targets.") or ("improving basic performance contracts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving urban performance targets.") OR ("improving basic performance contracts.")).
• Removing quotes may allow a broader search: (( improving urban performance targets. ) or ( improving basic performance contracts. )).
• Adding a wildcard symbol may retrieve word variants: (("improving urban performance targets.") or ("improving basic performance contracts."))*.