Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
john song » john wong, john bonn
minh tong » minh cong, dinh tung, min hong
tong shui » tong hui, cong shu, gong hui
yang jin » yang jie, yang jun, ying jin
li song » li cong, li rong, kim song

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: wang yang yang jin ((li song) OR (((john song) OR (john ngosong)))) minh tong shui ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang yang jin ((li song) or (((john song) OR (john ngosong)))) minh tong shui ;~".
• Adding a wildcard symbol may retrieve word variants: wang yang yang jin ((li song) or (((john song) OR (john ngosong)))) minh tong shui ;*.