Perhaps you should try some spelling variations:
chan wang » chen wang, china wang, chan eng
chan kang » chung kang, chan eng, chan fong
liang zhe » liang zhi, liang zhu, guang zhe
sang minh » kang minah, anh minh, song min
zhe chen » zhi chen, zhu chen, jie chen
yang jui » yang judy, yang di, yang xi
hong yu » wong yue

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: ((chan wang) OR (chan kang)) liang zhe chen ((sang minh) OR (yang jui)) hong yu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((chan wang) OR (chan kang)) liang zhe chen ((sang minh) or (yang jui)) hong yu ;~".
• Adding a wildcard symbol may retrieve word variants: ((chan wang) OR (chan kang)) liang zhe chen ((sang minh) or (yang jui)) hong yu ;*.