Perhaps you should try some spelling variations:
"legal investment performance evidence." » "legal government performance evidence.", "real investment performance evidence.", "local investment performance evidence.", "global investment performance evidence."
"global environmental performance risks." » "global environment performance risks.", "global environmental performance risk."

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

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