Perhaps you should try some spelling variations:
"improving loan performance series." » "improving loan performance metrics.", "improving loan performance reviews.", "improving loan performance review.", "improving poor performance series.", "improving bank performance series.", "improving _ performance series.", "improving local performance series.", "improving land performance series.", "improving road performance series."
"improving social performance measures." » "improving school performance measures.", "improving fiscal performance measures.", "improving financial 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 series.") OR ("improving social performance measures."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"improving loan performance series.\") OR (\"improving social performance measures.\"))".
• Removing quotes may allow a broader search: (( improving loan performance series. ) OR ( improving social performance measures. )).
• Adding a wildcard symbol may retrieve word variants: (("improving loan performance series.") OR ("improving social performance measures."))*.