Perhaps you should try some spelling variations:
yan wang » yuan wang, yang yang, qian wang
qian yan » qian jun, qian yi
chan eng » chan fong, chan kang, chan ming
eng chan » fong chan, jong chan
chan thi » nhan thi, phan thi, ha thi
thi hong » tan hong
hong zhi » zhong zhi, hong ghi, zhang zhi

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yan wang) or (qian yan)) chan eng chan thi hong zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan wang) OR (qian yan)) chan eng chan thi hong zhi ;*.