Perhaps you should try some spelling variations:
yan yuan » fang yuan, nan yan, yan clan
yan guan » gan guan, yang guang, yihan guan
yang jun » yang jui, pang jun, yang jin
tan yong » tan hong, tan kong, tan yang
yong jui » yang jui, yong cai, yong suk
jui dang » duc dang, jui meng, oui dans
wang » wing, wan, lang
hai » hadi, haji, hari

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 hyoung ((((yan yuan) OR (yan guan))) OR (yang jun)) tan yong jui dang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang hyoung ((((yan yuan) OR (yan guan))) or (yang jun)) tan yong jui dang hai ;~".
• Adding a wildcard symbol may retrieve word variants: wang hyoung ((((yan yuan) OR (yan guan))) or (yang jun)) tan yong jui dang hai ;*.