Perhaps you should try some spelling variations:
wang dong » wang yong, wang hong, wang yang
dong yang » dong hoang, wang yang, yang yang
dam rein » dam region, am rhein, der rein
hong shu » cong shu, tong shui, wong shiu
di rein » i rein, der rein
lang li » liang li, ling li, 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 yang ((di rein) or (dam rein)) lang li ((hong shu) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang dong yang ((di rein) OR (dam rein)) lang li ((hong shu) OR (hong yu)) ;.
• Adding a wildcard symbol may retrieve word variants: wang dong yang ((di rein) or (dam rein)) lang li ((hong shu) or (hong yu)) ;*.