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