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."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("improving thermal performance studies.") OR ("improving erm performance metrics."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"improving thermal performance studies.\") OR (\"improving erm performance metrics.\"))".
• Removing quotes may allow a broader search: (( improving thermal performance studies. ) OR ( improving erm performance metrics. )).
• Adding a wildcard symbol may retrieve word variants: (("improving thermal performance studies.") OR ("improving erm performance metrics."))*.