Perhaps you should try some spelling variations:
yang guang » yang yang, yang liang
chen chan » chen chuan, cheung chan, chen chung
yan guan » yan yuan, yihan guan, quan guan
gan guan » quan guan, gui guan
chan eng » chan fong, chan kang, chan ming
eng kong » eng hong, hong kong, king kong
kong siu » kong eiu, wong siu, dong sin
yi chen » jui chen

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

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