Perhaps you should try some spelling variations:
yihan guan » yan guan
yan yuan » yan guan, fang yuan, nan yan
yang kim » yong kim, kang kim, hyung kim
kim song » kim young, kim eung
song sau » wong sau, kong sar, song pae
wan yan » wang yan, nan yan, wai yan
nan ya » nan yan, nana yaa

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((wan yan) OR (nan ya)) ((yan yuan) OR (yihan guan)) rene yang kim song sau ;~.
• Adding a wildcard symbol may retrieve word variants: ((wan yan) or (nan ya)) ((yan yuan) or (yihan guan)) rene yang kim song sau ;*.