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

Try widening your search to All Fields.

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 enforcement governance series."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"global environment governance series.\") OR (\"global enforcement governance series.\"))".
• Removing quotes may allow a broader search: (( global environment governance series. ) OR ( global enforcement governance series. )).
• Adding a wildcard symbol may retrieve word variants: (("global environment governance series.") OR ("global enforcement governance series."))*.