Perhaps you should try some spelling variations:
"global environment governance series." » "global environmental governance series.", "global evironmental governance series.", "global environment government series."
"legal enforcement governance system." » "legal efficient governance system.", "legal empowerment governance system.", "law enforcement governance system.", "weak enforcement governance system.", "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: (("global environment governance series.") or ("legal enforcement governance system."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("global environment governance series.") OR ("legal enforcement governance system.")).
• Removing quotes may allow a broader search: (( global environment governance series. ) or ( legal enforcement governance system. )).
• Adding a wildcard symbol may retrieve word variants: (("global environment governance series.") or ("legal enforcement governance system."))*.