Perhaps you should try some spelling variations:
"improving thermal performance studies." » "improving thermal performance audits.", "improving thermal performance audit.", "improving thermal performance standards.", "improving external performance studies.", "improving animal performance studies.", "improving federal performance studies."
"improving erm performance metrics." » "improving erm performance measures.", "improving esm performance metrics.", "improving firm performance metrics.", "improving team performance metrics.", "improving ers performance metrics.", "improving e performance metrics.", "improving eap performance metrics."

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