Perhaps you should try some spelling variations:
cross patient » class patient, proms patient, access patient
cost patient » courts patient, class patient, arzt patient
wan yanling » wang yanling, wang yangming, wang danning
among shui » among sri, tong shui
tying up » taking up, tying _
yang jui » yang judy, yang di, yang xi

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan yanling ((tying up) or (yang jui)) ((cost patient) OR (cross patient)) risk among shui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yanling ((tying up) OR (yang jui)) ((cost patient) OR (cross patient)) risk among shui ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan yanling ((tying up) or (yang jui)) ((cost patient) OR (cross patient)) risk among shui ;*".