Perhaps you should try some spelling variations:
"global environmental performance based." » "global environment performance based."
"global government performance reviews." » "global government performance review.", "global government performance reports.", "global government performance risks.", "local government performance reviews.", "local governments performance reviews.", "total government performance reviews."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("global environmental performance based.") or ("global government performance reviews."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("global environmental performance based.") OR ("global government performance reviews.")).
• Removing quotes may allow a broader search: (( global environmental performance based. ) or ( global government performance reviews. )).
• Adding a wildcard symbol may retrieve word variants: (("global environmental performance based.") or ("global government performance reviews."))*.