Perhaps you should try some spelling variations:
"global environment performance system." » "global environmental performance system.", "global environmental performances system.", "global government performance system.", "global environment performance states.", "global environment performance sse3.", "global environment performance instead."
"global environment governance issues." » "global environmental governance issues.", "global evironmental governance issues.", "global environment government issues."

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