Perhaps you should try some spelling variations:
"improving contract performance measures." » "improving country performance measures.", "improving court performance measures.", "improving economic performance measures.", "improve contract performance measures.", "improving central performance measures.", "improve contrast performance measures."
"improving land performance risk." » "improving plant performance risk.", "improving fund performance risk.", "improving und performance risk.", "improving land performance 2019."

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

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