Perhaps you should try some spelling variations:
"improving do performance metrics." » "improving do performance contracts.", "improving do performance measures.", "improving do performance contract.", "improving job performance metrics.", "improving low performance metrics.", "improving _ performance metrics.", "improving co performance metrics.", "improving food performance metrics."
"improved land performance series." » "improved land performance reviews.", "improved land performance review.", "improved land performance targets.", "improved plant performance series.", "improved bank performance series.", "improved loan performance series.", "improve land 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: (("improved land performance series.") or ("improving do performance metrics."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improved land performance series.") OR ("improving do performance metrics."))*.
• Removing quotes may allow a broader search: (( improved land performance series. ) or ( improving do performance metrics. ))*.