Perhaps you should try some spelling variations:
cost patients » cost patient, cleft patients, care patients
patients risk » patient risk, patients links, patients si
wang liang » wang yang
risk along » risk among, ask along
along shui » along nhue, tong shui
tying up » taking up, tying _
yang jui » yang judy, yang di, yang xi

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 ((tying up) OR (((pang jun) OR (yang jui)))) cost patients risk along shui ;~.
• Adding a wildcard symbol may retrieve word variants: wang liang ((tying up) or (((pang jun) or (yang jui)))) cost patients risk along shui ;*.