Perhaps you should try some spelling variations:
wing yanling » wang yanling, wang yangming
cost patient » cross patient, courts patient, class patient
patient risk » patients risk, patient task, patient cost
tying up » taking up, tying _
yang jui » yang judy, yang di, yang xi
gong hui » tong hui, tong shui, gong si
wang hui » wang hua, wang zhi, wang wei

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wing yanling ((tying up) OR (yang jui)) cost patient risk ((gong hui) OR (wang hui)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing yanling ((tying up) or (yang jui)) cost patient risk ((gong hui) OR (wang hui)) ;~".
• Adding a wildcard symbol may retrieve word variants: wing yanling ((tying up) or (yang jui)) cost patient risk ((gong hui) OR (wang hui)) ;*.