Perhaps you should try some spelling variations:
wang danning » wang yanling, wang daoping, wang yangming
tuan china » wuhan china, taiwan china, yunnan china
sang linh » sang minh, song lina, wang lin
hoang tan » hong tan, liang tan
huang tao » huang xiao, wang tao, huang wentao
two sang » two swing, two sons, two band

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 danning ((tuan china) OR (can china)) two sang linh ((hoang tan) OR (huang tao)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang danning ((tuan china) or (can china)) two sang linh ((hoang tan) OR (huang tao)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang danning ((tuan china) or (can china)) two sang linh ((hoang tan) OR (huang tao)) ;*.