Perhaps you should try some spelling variations:
yan guan » gan guan, yang guang, yihan guan
yan yuan » fang yuan, nan yan, yan clan
ying jin » yang jin, jing ji, yang jie
jin kang » jin chang, jin kyung, jing fang
kang sar » kong sar, kang tae, kang ca
juan a » juan j, juan c, julian a
a ying » ka ying, _ ying, fan ying

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 yuan)) juan a ying jin kang sar ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nan ((yan guan) OR (yan yuan)) juan a ying jin kang sar ;*.