Perhaps you should try some spelling variations:
wang yao » wang yan, yang yao, gang yao
yao 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 yue » wang yue
lang li » liang li, tang li, wang li

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yao yang dam rein ((lang li) or (ling li)) ((hong shu) or (((hong yu) OR (wong yue)))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yao yang dam rein ((lang li) OR (ling li)) ((hong shu) OR (((hong yu) OR (wong yue)))) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yao yang dam rein ((lang li) or (ling li)) ((hong shu) or (((hong yu) OR (wong yue)))) ;".
• Adding a wildcard symbol may retrieve word variants: wang yao yang dam rein ((lang li) or (ling li)) ((hong shu) or (((hong yu) OR (wong yue)))) ;*.