Perhaps you should try some spelling variations:
yuan kang » yuan wang, yuan chang, chan kang
yan guan » gan guan, yang guang, yihan guan
yan clan » das clan
juan tan » huan t'an, juan rana, juan a
yan yuan » fang yuan, nan yan, yan kun
kang sar » kong sar, kang tae, kang ca
tan yan » tan yang, nan yan, tan tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: nan ((yan guan) or (yan clan)) juan tan yan yuan kang sar ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nan ((yan guan) OR (yan clan)) juan tan yan yuan kang sar ;*.