Perhaps you should try some spelling variations:
"global environment governance system." » "global environmental governance system.", "global evironmental governance system.", "global environment government system."
"global engagement governance series." » "global management governance series.", "global enforcement governance series.", "global empowerment governance series.", "level engagement governance series.", "group engagement governance series."

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. )).
• Adding a wildcard symbol may retrieve word variants: (("global engagement governance series.") or ("global environment governance system."))*.