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."

Try widening your search to All Fields.

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