Perhaps you should try some spelling variations:
"improving company performance measures." » "improving country performance measures.", "improve company performance measures.", "improving compliance performance measures.", "improving community performance measures."
"improving rural performance metrics." » "improving euract performance metrics.", "improving larval performance metrics.", "improving pupil performance metrics."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("improving rural performance metrics.") OR ("improving company performance measures."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"improving rural performance metrics.\") OR (\"improving company performance measures.\"))".
• Removing quotes may allow a broader search: (( improving rural performance metrics. ) OR ( improving company performance measures. )).
• Adding a wildcard symbol may retrieve word variants: (("improving rural performance metrics.") OR ("improving company performance measures."))*.