Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
juan rene » juan meng, juan rana
yang jiao » wang qiao, yang jie, yang yao
yang yan » yang yang, wang yan, yang fan
hua rene » hua ren
yang jin » yang jie, yang jun, ying jin
tong hui » wang hui

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 yan ((hua rene) or (juan rene)) ((yang jiao) OR (yang jin)) tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong yang yan ((hua rene) OR (juan rene)) ((yang jiao) OR (yang jin)) tong hui ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong yang yan ((hua rene) or (juan rene)) ((yang jiao) OR (yang jin)) tong hui ;".
• Adding a wildcard symbol may retrieve word variants: dong yang yan ((hua rene) or (juan rene)) ((yang jiao) OR (yang jin)) tong hui ;*.