Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
thanh dam » than daem, thanh van
than data » than death, loan data, can data
ying jin » yang jin, jing ji, yang jie
yang ka » yang fan, yang yao
jin how » john how
how ai » how aid, how ae, how am

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 yang ka ((thanh dam) OR (than data)) ying jin how ai ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang ka ((thanh dam) or (than data)) ying jin how ai ;*.