Perhaps you should try some spelling variations:
"weak enforcement governance system." » "weak empowerment governance system.", "weak environmental governance system.", "weak enforcement governance issues.", "law enforcement governance system.", "tax enforcement governance system.", "_ enforcement governance system."
"global environment governance system." » "global environmental 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: (("weak enforcement governance system.") or ("global environment governance system."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("weak enforcement governance system.") OR ("global environment governance system."))*.
• Removing quotes may allow a broader search: (( weak enforcement governance system. ) or ( global environment governance system. ))*.