Perhaps you should try some spelling variations:
tan china » tuan china, than china, can china
china ren » china loren, china real, china reza
ying john » king john, young john, ying jin
dong tin » dong sin, dong bin, dong ping
ren ying » ran ying, jin ying, en yin
wong siu » wong shiu, kong siu, wong sau
wong sam » wong sau, wong lai, kong sar
tin tan » tan tan, tin can, wing tan

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: dong tin tan china ren ying john ((((wong siu) OR (wong sam))) OR (cong shu)) ;~.
• Adding a wildcard symbol may retrieve word variants: dong tin tan china ren ying john ((((wong siu) or (wong sam))) or (cong shu)) ;*.