Perhaps you should try some spelling variations:
"improving can performance based." » "improving can performance measures.", "improving bank performance based.", "improving loan performance based.", "improving care performance based.", "improving land performance based.", "improving tax performance based.", "improving urban performance based."
"improving co performance data." » "improving co performance _.", "improving do performance data.", "improving crop performance data.", "improving job performance data.", "improving _ performance data.", "improving macro performance data.", "improving food performance data."

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 based.") or ("improving co performance data."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving can performance based.") OR ("improving co performance data.")).
• Removing quotes may allow a broader search: (( improving can performance based. ) or ( improving co performance data. )).
• Adding a wildcard symbol may retrieve word variants: (("improving can performance based.") or ("improving co performance data."))*.