Perhaps you should try some spelling variations:
"legal environmental governance system." » "legal environmental performance system.", "legal environment governance system.", "legal environments governance system.", "local environmental governance system."
"global government performance evidence." » "global environmental performance evidence.", "local government performance evidence.", "local governments performance evidence.", "total government 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: (("legal environmental governance system.") or ("global government performance evidence."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("legal environmental governance system.") OR ("global government performance evidence.")).
• Removing quotes may allow a broader search: (( legal environmental governance system. ) or ( global government performance evidence. )).
• Adding a wildcard symbol may retrieve word variants: (("legal environmental governance system.") or ("global government performance evidence."))*.