Perhaps you should try some spelling variations:
yang john » young john, king john, yang jin
chen yang » chen rong
john song » john wong, john bonn, john ngosong
yan guan » gan guan, yang guang, yihan guan
yan yuan » fang yuan, nan yan, yan clan
hua chen » jui chen, yu chen, a chen
song sam » wong sam, kong sar, song pae

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang ((yan guan) or (yan yuan)) hua chen yang john song sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang ((yan guan) OR (yan yuan)) hua chen yang john song sam ;.
• Adding a wildcard symbol may retrieve word variants: lang ((yan guan) or (yan yuan)) hua chen yang john song sam ;*.