Perhaps you should try some spelling variations:
"improving port performance review." » "improving port performance risk.", "improving port performance evidence.", "improving export performance review.", "improving court performance review.", "improving plant performance review.", "improving poverty performance review.", "improving birth performance review."
"improving asset performance based." » "improving market performance based.", "improving based performance based.", "improving past performance based.", "improving asset performance measures.", "improving sme performance based.", "improving adult 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 port performance review.") or ("improving asset performance based."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving port performance review.") OR ("improving asset performance based.")).
• Removing quotes may allow a broader search: (( improving port performance review. ) or ( improving asset performance based. )).
• Adding a wildcard symbol may retrieve word variants: (("improving port performance review.") or ("improving asset performance based."))*.