Perhaps you should try some spelling variations:
"improving can performance risks." » "improving can performance risk.", "improving chain performance risks.", "improving loan performance risks.", "improving human performance risks.", "improving care performance risks.", "improving a performance risks.", "improving co performance risks."
"improving crop performance reports." » "improving group performance reports.", "improving top performance reports.", "improving do performance reports.", "improving co performance reports.", "improving pro performance reports.", "improving macro performance reports.", "improving crop performance report."

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 risks.") OR ("improving crop performance reports."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"improving can performance risks.\") OR (\"improving crop performance reports.\"))".
• Removing quotes may allow a broader search: (( improving can performance risks. ) OR ( improving crop performance reports. )).
• Adding a wildcard symbol may retrieve word variants: (("improving can performance risks.") OR ("improving crop performance reports."))*.