Perhaps you should try some spelling variations:
cost patient » cross patient, courts patient, class patient
patient risk » patients risk, patient task, patient cost
wan yanling » wang yanling, wang yangming, wang danning
among shui » among sri, tong shui
yang jun » yang jui, pang jun, yang judy
yang jin » yang jie, ying jin, shang jin

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