Perhaps you should try some spelling variations:
"improving land performance metrics." » "improving land performance contracts.", "improving land performance measures.", "improving land performance contract.", "improving plant performance metrics.", "improving bank performance metrics.", "improving loan performance metrics.", "improved land performance metrics."
"improving road performance series." » "improving road performance reviews.", "improving road performance review.", "improving road performance targets.", "improving board performance series.", "improving loan performance series.", "improving good performance series.", "improving food performance series.", "improving urban performance series.", "improving rural 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 road performance series.") or ("improving land performance metrics."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving road performance series.") OR ("improving land performance metrics.")).
• Removing quotes may allow a broader search: (( improving road performance series. ) or ( improving land performance metrics. )).
• Adding a wildcard symbol may retrieve word variants: (("improving road performance series.") or ("improving land performance metrics."))*.