Perhaps you should try some spelling variations:
hyoung gun » young eun
yang jund » yang judy, yang jui, pang jun
yan yuan » fang yuan, nan yan, yan clan
yan guan » gan guan, yang guang, yihan guan
hui gain » hui sin, run gain
yang jun » yang jui, pang jun, yang jin
wang » wing, wan

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 OR lang) ((yan yuan) OR (yan guan)) hui gain ((yang jun) OR (yang jund)) hyoung gun ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang or lang) ((yan yuan) OR (yan guan)) hui gain ((yang jun) or (yang jund)) hyoung gun ;~".
• Adding a wildcard symbol may retrieve word variants: (wang or lang) ((yan yuan) OR (yan guan)) hui gain ((yang jun) or (yang jund)) hyoung gun ;*.