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