Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
yuhan tin » yuan ting
dong cao » dong xiao, dan cao, dong nan
dong bin » dong di, dann bin
hua wang » hwa wang, hua jiang, hua ban
tin wong » tin hong, t.j wong, kie wong
wong yue » wang yue, hong yu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong cao) or (((dong sin) or (dong bin)))) ya ((hua wang) OR (yuan wang)) yuhan tin wong yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong cao) OR (((dong sin) OR (dong bin)))) ya ((hua wang) OR (yuan wang)) yuhan tin wong yue ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong cao) or (((dong sin) or (dong bin)))) ya ((hua wang) OR (yuan wang)) yuhan tin wong yue ;".
• Adding a wildcard symbol may retrieve word variants: ((dong cao) or (((dong sin) or (dong bin)))) ya ((hua wang) OR (yuan wang)) yuhan tin wong yue ;*.