Perhaps you should try some spelling variations:
"improving poor performance metrics." » "improving poor performance contracts.", "improving poor performance measures.", "improving poor performance contract.", "improving export performance metrics.", "improving sector performance metrics.", "improving _ performance metrics.", "improving power performance metrics.", "improving food performance metrics.", "improving indoor performance metrics."
"improving can performance series." » "improving can performance reviews.", "improving can performance review.", "improving can performance targets.", "improving bank performance series.", "improving loan performance series.", "improving care performance series.", "improving land performance series.", "improving tax performance series.", "improving co performance series."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("improving can performance series.") or ("improving poor performance metrics."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving can performance series.") OR ("improving poor performance metrics."))*.
• Removing quotes may allow a broader search: (( improving can performance series. ) or ( improving poor performance metrics. ))*.