Perhaps you should try some spelling variations:
"global environment governance system." » "global environmental governance system.", "global enforcement governance system.", "global investment governance system.", "global environment governance issues."
"global engagement governance series." » "global management governance series.", "global enforcement governance series.", "global empowerment governance series.", "level engagement governance series.", "group engagement governance series.", "social engagement governance series.", "global engagement 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: (("global engagement governance series.") or ("global environment governance system."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("global engagement governance series.") OR ("global environment governance system."))*.
• Removing quotes may allow a broader search: (( global engagement governance series. ) or ( global environment governance system. ))*.