Perhaps you should try some spelling variations:
zheng chan » cheung chan, zheng alan, zheng quan
ming liang » wang liang, ming qing, peng liang
qin zheng » qian sheng, bin zhang
chan ming » kian ming, chan eng, chan fong
liang tan » liang dan, liang sun, wing tan
yang jie » yang jin, yang di, yang jui
yang yi » yang di, yang xi, yang jui

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: (wing OR lang) ((((yang jie) OR (yang judy))) OR (yang yi)) qin zheng chan ming liang tan ;~.
• Adding a wildcard symbol may retrieve word variants: (wing or lang) ((((yang jie) or (yang judy))) or (yang yi)) qin zheng chan ming liang tan ;*.