Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
rene sang » lee sang
sang minh » kang minah, anh minh, song min
minh long » minh cong, vinh long
hua rene » hua ren, juan rene
yang ka » yang fan, yang yao
long do » long d, long du, longer do

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

• Performing a fuzzy search may retrieve terms with similar spellings: yang ((yang ka) or (yang yang)) hua rene sang minh long do ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang ((yang ka) OR (yang yang)) hua rene sang minh long do ;.
• Adding a wildcard symbol may retrieve word variants: yang ((yang ka) or (yang yang)) hua rene sang minh long do ;*.