Perhaps you should try some spelling variations:
zhang kim » zhang xin, kang kim, zhang i
song thin » song shin, song jin, song min
yan yuan » fang yuan, nan yan, yan clan
yan guan » gan guan, yang guang, yihan guan
kim song » kim young, kim eung
wang » wan, lang
zhen » zheng, when, chen

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

• Performing a fuzzy search may retrieve terms with similar spellings: (wang or wing) ((yan yuan) OR (yan guan)) zi zhen zhang kim song thin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR wing) ((yan yuan) OR (yan guan)) zi zhen zhang kim song thin ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang or wing) ((yan yuan) OR (yan guan)) zi zhen zhang kim song thin ;*".