Perhaps you should try some spelling variations:
patients risk » patient risk, patients links, patients si
among east » among breast, among ers, among health
wan yang » wang yang, dan yang, tan yang
yang jun » yang jui, pang jun, yang jin
can lost » can lose, can post, can boost
can cost » can costa, can post, chain cost

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan yang jun ((can lost) OR (can cost)) patients risk among east ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan yang jun ((can lost) OR (can cost)) patients risk among east ;*".