Perhaps you should try some spelling variations:
wang dong » wang yong, wang hong, wang yang
dong sang » dong yang, dong hoang, dong sheng
rein wang » kein zwang, wei wang, wen wang
sang dam » sang dae, sand dam, sand dams
dam rein » dam region, am rhein, der rein
hong shu » cong shu, tong shui, wong shiu
wang li » wang lei, wang lin, tang li
hong yu » wong yue

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang dong sang dam rein wang li ((hong shu) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang dong sang dam rein wang li ((hong shu) OR (hong yu)) ;*.