Perhaps you should try some spelling variations:
"legal environment performance series." » "legal environmental performance series.", "legal environmental performances series.", "legal investment performance series.", "legal environment performance studies.", "legal environment performance size.", "global environment performance series."
"global government performance risk." » "global environmental performance risk.", "local government performance risk.", "local governments performance risk.", "total government performance risk.", "global government performance 2019."

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

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