Perhaps you should try some spelling variations:
wang wang » wang yang, wang liang, wang yan
wang tuan » wang xuan, wang yuhan, wang hua
john song » john wong, john bonn, john ngosong
vu irene » _ irene
jin kang » jin chang, jin kyung, jing fang
jin ying » li ying
tuan vu » thanh vu, tuan hua

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang wang tuan vu irene yang ((((jin kang) or (jin ying))) or (john song)) sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang tuan vu irene yang ((((jin kang) OR (jin ying))) OR (john song)) sau ;.
• Adding a wildcard symbol may retrieve word variants: wang wang tuan vu irene yang ((((jin kang) or (jin ying))) or (john song)) sau ;*.