Perhaps you should try some spelling variations:
hsuan john » hogan john
rene hsuan » meng hsuan
juan rene » juan meng, juan rana
liang sun » liang dan, liang tan, wing sun
john song » john wong, john bonn, john ngosong
dong bin » dong sin, dong di, dann bin
roa juan » rojas juan, mora juan, rios juan
shin » skin, sein, thin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((liang sun) or (dong bin)) roa juan rene hsuan john song shin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((liang sun) OR (dong bin)) roa juan rene hsuan john song shin ;*.