Perhaps you should try some spelling variations:
"global environment governance system." » "global environmental governance system.", "global evironmental governance system.", "global environment government system."
"weak empowerment governance system." » "weak empowerment guidance system.", "weak endowments governance system.", "weak enforcement governance system.", "team empowerment governance system.", "legal empowerment governance system.", "self empowerment governance system."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("weak empowerment governance system.") OR ("global environment governance system."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"weak empowerment governance system.\") OR (\"global environment governance system.\"))*".
• Removing quotes may allow a broader search: (( weak empowerment governance system. ) OR ( global environment governance system. ))*.