Perhaps you should try some spelling variations:
"global environment governance issues." » "global environmental governance issues.", "global evironmental governance issues.", "global enforcement governance issues."
"global environment government system." » "global environment development system.", "global development government system.", "global employment government system.", "global environment government systems.", "global environment governance system.", "global environment government sector."

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 issues.") or ("global environment government system."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("global environment governance issues.") OR ("global environment government system.")).
• Removing quotes may allow a broader search: (( global environment governance issues. ) or ( global environment government system. )).
• Adding a wildcard symbol may retrieve word variants: (("global environment governance issues.") or ("global environment government system."))*.