Perhaps you should try some spelling variations:
"global environment governance series." » "global environmental governance series.", "global enforcement governance series.", "global investment governance series.", "global environment governance issues."
"global environment governance system." » "global environmental governance system.", "global enforcement governance system.", "global investment governance system.", "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: (("global environment governance series.") OR ("global environment governance system."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"global environment governance series.\") OR (\"global environment governance system.\"))*".
• Removing quotes may allow a broader search: (( global environment governance series. ) OR ( global environment governance system. ))*.