Perhaps you should try some spelling variations:
dong wang » hong wang, dong hoang, dong jung
dong yang » dong hoang, wang yang, yang yang
rene tran » rene ten
yang hua » wang hua, yang hui, ying hua
hua rene » hua ren, juan rene
tran thi » trang thu
thi hong » tan hong
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: ((dong wang) OR (dong yang)) yang hua rene tran thi hong yu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong wang) OR (dong yang)) yang hua rene tran thi hong yu ;".
• Adding a wildcard symbol may retrieve word variants: ((dong wang) OR (dong yang)) yang hua rene tran thi hong yu ;*.