Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
china shen » china chen, china stein, china sea
lang und » klang und, langs und, gang und
und tuan » und tun, und tanz, anh tuan
yang jui » yang judy, yang xi
yang jin » yang jie, yang jun, ying jin
wong sam » wong sau, wong lai, kong sar
yang yi » yang xi

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: lang und tuan china shen ((((((yang jui) OR (yang yi))) OR (yang di))) OR (yang jin)) wong sam ;~.
• Adding a wildcard symbol may retrieve word variants: lang und tuan china shen ((((((yang jui) or (yang yi))) or (yang di))) or (yang jin)) wong sam ;*.