Perhaps you should try some spelling variations:
"improving funds performance risk." » "improving fund performance risk.", "improving human performance risk.", "improving business performance risk.", "improving funds performance 2019.", "improving food performance risk.", "improving feed performance risk.", "improving firms performance risk."
"improving eco performance evidence." » "improving do performance evidence.", "improving ceo performance evidence.", "improving core performance evidence.", "improving co performance evidence.", "improving e performance evidence.", "improving eap performance evidence."

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

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