Perhaps you should try some spelling variations:
"legal environmental performances system." » "legal environmental performance system.", "legal environmental priorities system.", "legal environment performances system.", "legal environments performances system.", "local environmental performances system."
"global environment performance evidence." » "global environmental performance evidence.", "global government performance evidence.", "global investment performance evidence."

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("legal environmental performances system.") or ("global environment performance evidence."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("legal environmental performances system.") OR ("global environment performance evidence.")).
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• Adding a wildcard symbol may retrieve word variants: (("legal environmental performances system.") or ("global environment performance evidence."))*.