Perhaps you should try some spelling variations:
fang zheng » fang sheng, fang zhen, tang zheng
chan fong » chew fong, chan kang, chan ming
chan eng » chan kang, chan ming, han en
juan gil » han gil, juan die
dan eng » tan eng, dan qing, dan yang
yang xi » yang di, yang jui
yang yi » yang di, 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: wang ((dan eng) OR (((chan eng) OR (chan fong)))) juan gil ((yang xi) OR (yang yi)) fang zheng ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((dan eng) or (((chan eng) OR (chan fong)))) juan gil ((yang xi) or (yang yi)) fang zheng ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((dan eng) or (((chan eng) OR (chan fong)))) juan gil ((yang xi) or (yang yi)) fang zheng ;*.