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

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. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( 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. ))*.