Perhaps you should try some spelling variations:
cost patients » cost patient, cleft patients, care patients
patients ask » patients risk, patient task, patients a
liang yang » wang yang, yang yang, huang yang
liang ying » liang liying, huang ying, zhang ying
ask along » past along, risk along, all along
along shu » along nhue, cong shu, along who
can cost » can costa, can lost, can post

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: wang ((liang yang) OR (liang ying)) can cost patients ask along shu ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((liang yang) or (liang ying)) can cost patients ask along shu ;*.