Perhaps you should try some spelling variations:
performance review » performance risk, performance evidence
performance series » performance studies, performance size
boost performance » court performance, port performance, past performance
poor performance » sector performance
borrowing boost » borrowing cost, borrowing costs, borrowing across
improving poor » improving power, improving food, improving peer

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( borrowing boost performance review. ) or ( improving poor performance series. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( borrowing boost performance review. ) OR ( improving poor performance series. )).
• Adding a wildcard symbol may retrieve word variants: (( borrowing boost performance review. ) or ( improving poor performance series. ))*.