Perhaps you should try some spelling variations:
wang wang » wang liang, wang yan, wang yong
wang yang » wang yan, wang liang, wang yanling
rein gang » ein gang, ein ganz, den gang
yang dam » yang dean, yang dali, yang di
dam rein » dam region, am rhein, der rein
hong shu » cong shu, tong shui, wong shiu
gang li » gan li, tang li, wang 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 wang yang dam rein gang li ((hong shu) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang yang dam rein gang li ((hong shu) OR (hong yu)) ;.
• Adding a wildcard symbol may retrieve word variants: wang wang yang dam rein gang li ((hong shu) or (hong yu)) ;*.