Perhaps you should try some spelling variations:
juan rene » juan meng, juan rana
tuan mine » tuan minh, yuan ming
chan eng » chan fong, chan kang, chan ming
cong sun » cong shu, cong van, wing sun
wan yan » wang yan, nan yan, wai yan
yi juan » y juan
yan yi » yang yi, tan yi, yan zi

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: wan yan yi juan rene ((chan eng) OR (tuan mine)) cong sun ;~.
• Adding a wildcard symbol may retrieve word variants: wan yan yi juan rene ((chan eng) or (tuan mine)) cong sun ;*.