Perhaps you should try some spelling variations:
wang dong » wang yong, wang hong, wang yang
dong yang » dong hoang, wang yang, yang yang
yang dam » yang dean, yang dali, yang di
dam rein » dam region, am rhein, der rein
hong shu » cong shu, tong shui, wong shiu
wong sam » wong sau, wong lai, kong sar
hong yu » wong yue
tang » tan, lang, gang

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 dong yang dam rein tang li ((((hong shu) OR (wong sam))) OR (hong yu)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang dong yang dam rein tang li ((((hong shu) or (wong sam))) or (hong yu)) ;*.