Perhaps you should try some spelling variations:
"global environment performance system." » "global environmental performance system.", "global environmental performances system.", "global government performance system.", "global environment performance based.", "global environment performance size.", "global environment performance issues."
"legal environment governance series." » "legal environmental governance series.", "legal enforcement governance series.", "legal investment governance series.", "legal environment governance issues.", "legal environment governance system."

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