Perhaps you should try some spelling variations:
"improving food performance metrics." » "improving food performance contracts.", "improving food performance measures.", "improving food performance contract.", "improving good performance metrics.", "improving poor performance metrics.", "improving fund performance metrics.", "improving land 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 food performance metrics."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"improving can performance series.\") OR (\"improving food performance metrics.\"))".
• Removing quotes may allow a broader search: (( improving can performance series. ) OR ( improving food performance metrics. )).
• Adding a wildcard symbol may retrieve word variants: (("improving can performance series.") OR ("improving food performance metrics."))*.