Perhaps you should try some spelling variations:
yang guang » yang yang, yang liang
hsin kang » hsien yang, hsin huang, jin kang
song ming » song bing, song min, gong min
yan yuan » fang yuan, nan yan, yan kun
yan clan » das clan
yan guan » gan guan, yihan guan, quan guan
wen hsin » wei hsin, wen chin, wen ein
kang kim » kanaga kim, tan kim, yong kim
kim song » kim young, kim eung

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing ((yang guang) or (((((yan yuan) OR (yan clan))) or (yan guan)))) wen hsin kang kim song ming ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing ((yang guang) OR (((((yan yuan) OR (yan clan))) OR (yan guan)))) wen hsin kang kim song ming ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing ((yang guang) or (((((yan yuan) OR (yan clan))) or (yan guan)))) wen hsin kang kim song ming ;".
• Adding a wildcard symbol may retrieve word variants: wing ((yang guang) or (((((yan yuan) OR (yan clan))) or (yan guan)))) wen hsin kang kim song ming ;*.