Perhaps you should try some spelling variations:
"improving statistics performance metrics." » "improving statistical performance metrics.", "improving logistics performance metrics.", "improving logistic performance metrics.", "import statistics performance metrics.", "improving statistics performance contracts.", "improving statistics performance measures.", "improving statistics performance contract."
"improving past performance _." » "improving plant performance _.", "improving port performance _.", "improving based performance _.", "improving basic performance _.", "improving asset performance _.", "improving land performance _."

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

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