Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yidan, fang yuan
dong yuan » don juan, dong hua, dong nan
rene sang » lee sang
sang minh » kang minah, anh minh, song min
minh hong » minh cong, min hong, linh hoang
ting hai » dang hai, hong hai, king has
hai rene » hai ren, i rene, ii rene

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yuan) OR (((wang yuhan) OR (wang yan)))) ting hai rene sang minh hong seo ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong yuan) or (((wang yuhan) OR (wang yan)))) ting hai rene sang minh hong seo ;~".
• Adding a wildcard symbol may retrieve word variants: ((dong yuan) or (((wang yuhan) OR (wang yan)))) ting hai rene sang minh hong seo ;*.