Perhaps you should try some spelling variations:
john song » john wong, john bonn, john ngosong
dinh tong » dinh tung, minh cong, vinh long
tong shui » tong hui, cong shu, gong hui
wing yan » wang yan, wing ian, wing tan
yang lin » yang jin, wang lin, yang liang
kim song » kim young, kim eung
yang li » yang di, yang xi, yang yi

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: wing yan ((yang lin) OR (yang li)) ((kim song) OR (john song)) dinh tong shui ;~.
• Adding a wildcard symbol may retrieve word variants: wing yan ((yang lin) or (yang li)) ((kim song) or (john song)) dinh tong shui ;*.