Perhaps you should try some spelling variations:
"improving export performance review." » "improving export performance risk.", "improving export performance evidence.", "improving exposure performance review.", "improving eap performance review.", "improving eco performance review."
"improving asset performance based." » "improving dataset performance based.", "improving market performance based.", "improving affect performance based.", "improving adult performance based.", "improving audit performance based.", "improving fast performance based."

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

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