Perhaps you should try some spelling variations:
"global environmental performance system." » "global environment performance system.", "global environmental performance states.", "global environmental performance sse3.", "global environmental performance instead."
"legal efficient governance system." » "legal efficient government system.", "legal resilient governance system.", "legal enforcement governance system.", "lean efficient governance system.", "highly efficient governance system.", "local efficiency governance system."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("legal efficient governance system.") or ("global environmental performance system."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("legal efficient governance system.") OR ("global environmental performance system."))*.
• Removing quotes may allow a broader search: (( legal efficient governance system. ) or ( global environmental performance system. ))*.