Perhaps you should try some spelling variations:
"improving farmers performance risk." » "improving firms performance risk.", "improving markets performance risk.", "improving workers performance risk.", "improving access performance risk.", "improving care performance risk.", "improving farmers performance 2019."
"improving board performance metrics." » "improving board performance measures.", "improving court performance metrics.", "improving good performance metrics.", "improving based performance metrics.", "improving food performance metrics.", "improving care performance metrics.", "improving blood performance metrics."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("improving farmers performance risk.") or ("improving board performance metrics."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving farmers performance risk.") OR ("improving board performance metrics.")).
• Removing quotes may allow a broader search: (( improving farmers performance risk. ) or ( improving board performance metrics. )).
• Adding a wildcard symbol may retrieve word variants: (("improving farmers performance risk.") or ("improving board performance metrics."))*.