Perhaps you should try some spelling variations:
yang guang » yang yang, yang liang
chen chan » chen chuan, cheung chan, chen chung
chan fong » chew fong, chan eng, chan kang
yan guan » gan guan, yan yuan, yihan guan
fan guon » gan guan
kong siu » kong eiu, wong siu, kong sar
yi chen » jui chen
sin » sign, sind, skin

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: lang ((((yan guan) OR (yang guang))) OR (fan guon)) yi chen chan fong ((kong siu) OR (dong sin)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang ((((yan guan) or (yang guang))) or (fan guon)) yi chen chan fong ((kong siu) OR (dong sin)) ;~".
• Adding a wildcard symbol may retrieve word variants: lang ((((yan guan) or (yang guang))) or (fan guon)) yi chen chan fong ((kong siu) OR (dong sin)) ;*.