Perhaps you should try some spelling variations:
chen yang » chen rong
john song » john wong, john bonn, john ngosong
wang anh » dang anh, wang yang, wang yan
anh yuan » anh tuan, fang yuan, anh tran
yuan hui » yuan fei, jaan hui, tuan hua
ren yang » ren yan, dan yang, pei yang
song pae » song ze

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

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