Perhaps you should try some spelling variations:
"weak environmental governance series." » "weak environmental performance series.", "2 environmental governance series.", "3 environmental governance series.", "1 environmental governance series.", "weak environmental governance system."
"weak enforcement governance series." » "weak efficient governance series.", "weak empowerment governance series.", "weak enforcement governance system.", "law enforcement governance series.", "tax enforcement governance series.", "_ enforcement governance series."

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 series.") OR ("weak environmental governance series."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"weak enforcement governance series.\") OR (\"weak environmental governance series.\"))".
• Removing quotes may allow a broader search: (( weak enforcement governance series. ) OR ( weak environmental governance series. )).
• Adding a wildcard symbol may retrieve word variants: (("weak enforcement governance series.") OR ("weak environmental governance series."))*.