Perhaps you should try some spelling variations:
dong hoang » hong hong
dong yang » wang yang, yang yang, dan yang
hua rene » hua ren, juan rene
ten minh » tuan minh, ten high
thi minh » chi minh
cong yu » rong yu, chong yun, cong shu
hong yu » wong yue
ka hua » ya hua, ka chuan

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) or (dong hoang)) ka hua rene ((ten minh) or (thi minh)) ((cong yu) OR (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (dong hoang)) ka hua rene ((ten minh) OR (thi minh)) ((cong yu) OR (hong yu)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong yang) or (dong hoang)) ka hua rene ((ten minh) or (thi minh)) ((cong yu) OR (hong yu)) ;".
• Adding a wildcard symbol may retrieve word variants: ((dong yang) or (dong hoang)) ka hua rene ((ten minh) or (thi minh)) ((cong yu) OR (hong yu)) ;*.