Perhaps you should try some spelling variations:
"global environment performance evidence." » "global environmental performance evidence.", "global environmental performances evidence.", "global government performance evidence."
"legal environment performance reports." » "legal environmental performance reports.", "legal environmental performances reports.", "legal government performance reports.", "legal environment performance measures."

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 performance evidence.") or ("legal environment performance reports."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("global environment performance evidence.") OR ("legal environment performance reports."))*.
• Removing quotes may allow a broader search: (( global environment performance evidence. ) or ( legal environment performance reports. ))*.