Perhaps you should try some spelling variations:
"improving seismic performance metrics." » "improving seismic performance measures.", "improving economic performance metrics.", "improving academic performance metrics.", "improving semantic performance metrics.", "improving service performance metrics.", "improving basic performance metrics."
"improving care performance based." » "improving trade performance based.", "improving drive performance based.", "improving 2 performance based.", "improving early performance based.", "improving air performance based.", "improving data performance based."

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

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