Perhaps you should try some spelling variations:
patients chap » patients can, patients chez, patients a
wing yanling » wang yanling, wang yangming
patients hui » patients si, patients chez, patients help
tong shui » tong hui, cong shu, gong hui
yang jui » yang judy, yang di, yang xi
yang up » tying up, yang jun, hang ups

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 ((yang up) OR (yang jui)) cost ((patients hui) OR (patients chap)) tong shui ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing yanling ((yang up) or (yang jui)) cost ((patients hui) OR (patients chap)) tong shui ;~".
• Adding a wildcard symbol may retrieve word variants: wing yanling ((yang up) or (yang jui)) cost ((patients hui) OR (patients chap)) tong shui ;*.