Perhaps you should try some spelling variations:
costa patients » cost patient, fontan patients, hospital patients
wang liang » wang yang
liang yang » liang ying, wang yang, yang yang
risk along » ask along
can costa » can cost, can postal, da costa
yang can » yang fan, yang dean, yang yang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang liang yang can costa patients ((risk along) OR (risk among)) shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang yang can costa patients ((risk along) OR (risk among)) shu ;".
• Adding a wildcard symbol may retrieve word variants: wang liang yang can costa patients ((risk along) OR (risk among)) shu ;*.