Perhaps you should try some spelling variations:
"global environment governance system." » "global environmental governance system.", "global enforcement governance system.", "global environment governance issues."
"legal investment governance system." » "legal investment finance system.", "legal investment insurance system.", "legal internet governance system.", "legal investment governance issues.", "real investment governance system.", "local investment governance system.", "global investment governance system."

Try widening your search to All Fields.

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 system.") or ("global environment governance system."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("legal investment governance system.") OR ("global environment governance system.")).
• Removing quotes may allow a broader search: (( legal investment governance system. ) or ( global environment governance system. )).
• Adding a wildcard symbol may retrieve word variants: (("legal investment governance system.") or ("global environment governance system."))*.