Perhaps you should try some spelling variations:
"legal environmental governance system." » "legal environmental performance system.", "legal environment governance system.", "legal environments governance system.", "local environmental governance system."
"global environment governance issues." » "global evironmental governance issues.", "global environment government issues.", "global enforcement 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 issues.") OR ("legal environmental governance system."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"global environment governance issues.\") OR (\"legal environmental governance system.\"))".
• Removing quotes may allow a broader search: (( global environment governance issues. ) OR ( legal environmental governance system. )).
• Adding a wildcard symbol may retrieve word variants: (("global environment governance issues.") OR ("legal environmental governance system."))*.