Perhaps you should try some spelling variations:
"legal enforcement governance system." » "legal empowerment governance system.", "legal environmental governance system.", "law enforcement governance system.", "weak enforcement governance system.", "legal environment governance system.", "legal enforcement governance issues."
"global environment governance series." » "global environmental governance series.", "global investment governance series.", "global environment governance issues."

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

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