Perhaps you should try some spelling variations:
"improving macro performance metrics." » "improving macro performance measures.", "improving crop performance metrics.", "improving ceo performance metrics.", "improving machine performance metrics.", "improving air performance metrics.", "improving care performance metrics.", "improving co performance metrics."
"improving loan performance series." » "improving loan performance studies.", "improving loan performance size.", "improving local performance series.", "improving land performance series.", "improving lead performance series."

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 macro performance metrics."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"improving loan performance series.\") OR (\"improving macro performance metrics.\"))".
• Removing quotes may allow a broader search: (( improving loan performance series. ) OR ( improving macro performance metrics. )).
• Adding a wildcard symbol may retrieve word variants: (("improving loan performance series.") OR ("improving macro performance metrics."))*.