Perhaps you should try some spelling variations:
"improving human performance based." » "improving thermal performance based.", "improving company performance based.", "improving animal performance based.", "improving urban performance based.", "improving rural performance based."
"improving loan performance measures." » "improving poor performance measures.", "improving bank performance measures.", "improving _ performance measures.", "improving local performance measures.", "improving land performance measures.", "improving road 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: (("improving loan performance measures.") OR ("improving human performance based."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"improving loan performance measures.\") OR (\"improving human performance based.\"))".
• Removing quotes may allow a broader search: (( improving loan performance measures. ) OR ( improving human performance based. )).
• Adding a wildcard symbol may retrieve word variants: (("improving loan performance measures.") OR ("improving human performance based."))*.