Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
fang yuan » wang yuhan, wang yan, meng yuan
dang hadi » dang hai
hadi rene » hai ren
rene sang » lee sang
sang minh » kang minah, anh minh, song min
minh hong » minh cong, min hong, linh hoang

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 (fang yuan)) dang hadi rene sang minh hong seo ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (fang yuan)) dang hadi rene sang minh hong seo ;*.