Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
yang hua » wang hua, yang hui, ying hua
seen yan » see yan, sun yan, ren yan
wong yue » wang yue
yang xi » yang di, yang jui
yang yi » yang di, yang jui
yan tan » tan tan, yan clan, yan guan

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong yang ((yang hua) or (((yang xi) or (yang yi)))) seen yan tan ((hong yu) OR (wong yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong yang ((yang hua) OR (((yang xi) OR (yang yi)))) seen yan tan ((hong yu) OR (wong yue)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong yang ((yang hua) or (((yang xi) or (yang yi)))) seen yan tan ((hong yu) OR (wong yue)) ;*".