Perhaps you should try some spelling variations:
chen king » chen ping, chen jing, machen king
john kong » john king, john song, john wong
yan guan » gan guan, yang guang, yihan guan
yan yuan » fang yuan, nan yan, yan clan
hua chen » jui chen, yu chen, a chen
wang » wing, wan, lang
sar » sara, star, saur

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yan guan) or (yan yuan)) hua chen king john kong sar ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan guan) OR (yan yuan)) hua chen king john kong sar ;*.