Perhaps you should try some spelling variations:
"global environmental governance system." » "global environmental performance system.", "global environment governance system."
"legal investment governance issues." » "legal investment finance issues.", "legal investment insurance issues.", "legal internet governance issues.", "real investment governance issues.", "local investment governance issues.", "global investment 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: (("legal investment governance issues.") OR ("global environmental governance system."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"legal investment governance issues.\") OR (\"global environmental governance system.\"))".
• Removing quotes may allow a broader search: (( legal investment governance issues. ) OR ( global environmental governance system. )).
• Adding a wildcard symbol may retrieve word variants: (("legal investment governance issues.") OR ("global environmental governance system."))*.