Perhaps you should try some spelling variations:
wang danning » wang yanling, wang daoping, wang yangming
cost patient » cross patient, courts patient, class patient
patient risk » patients risk, patient task, patient cost
wan yanling » wang yanling, wang yangming
among shui » among sri, tong shui
yang up » yang jui, tying up, yang jun

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) OR (wang danning)) ((yang up) or (yang di)) cost patient risk among shui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wan yanling) OR (wang danning)) ((yang up) OR (yang di)) cost patient risk among shui ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wan yanling) OR (wang danning)) ((yang up) or (yang di)) cost patient risk among shui ;*".