Perhaps you should try some spelling variations:
john song » john wong, john bonn, john ngosong
minh long » minh cong, vinh long
yang lin » wang lin, yang liang, huang lin
yang jin » yang jie, yang jun, ying jin
kim song » kim young, kim eung
long shu » cong shu, tong shui, long du
yang li » yang di, yang xi, yang yi
wang » wing, wan, lang

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