Perhaps you should try some spelling variations:
"legal environment governance series." » "legal environmental governance series.", "legal evironmental governance series.", "legal environment government series.", "global environment governance series.", "legal environment governance system."
"global environmental performance evidence." » "global environment performance evidence."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("legal environment governance series.") OR ("global environmental performance evidence."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"legal environment governance series.\") OR (\"global environmental performance evidence.\"))".
• Removing quotes may allow a broader search: (( legal environment governance series. ) OR ( global environmental performance evidence. )).
• Adding a wildcard symbol may retrieve word variants: (("legal environment governance series.") OR ("global environmental performance evidence."))*.