Perhaps you should try some spelling variations:
"improving road performance targets." » "improving board performance targets.", "improving good performance targets.", "improving bond performance targets.", "improving food performance targets.", "improving rural performance targets."
"improving can performance measures." » "improving chain performance measures.", "improving loan performance measures.", "improving human performance measures.", "improving care performance measures.", "improving a performance measures.", "improving co performance measures."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("improving road performance targets.") or ("improving can performance measures."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving road performance targets.") OR ("improving can performance measures.")).
• Removing quotes may allow a broader search: (( improving road performance targets. ) or ( improving can performance measures. )).
• Adding a wildcard symbol may retrieve word variants: (("improving road performance targets.") or ("improving can performance measures."))*.