Perhaps you should try some spelling variations:
"improving fiscal performance review." » "improving fiscal performance risk.", "improving fiscal performance evidence.", "improving financial performance review.", "improving firm performance review.", "improving social performance review.", "improving rural performance review."
"improving thermal performance targets." » "improving maternal performance targets.", "improving rural performance targets.", "improving human performance targets."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("improving fiscal performance review.") or ("improving thermal performance targets."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving fiscal performance review.") OR ("improving thermal performance targets.")).
• Removing quotes may allow a broader search: (( improving fiscal performance review. ) or ( improving thermal performance targets. )).
• Adding a wildcard symbol may retrieve word variants: (("improving fiscal performance review.") or ("improving thermal performance targets."))*.