Perhaps you should try some spelling variations:
song ming » song bing, song min, gong min
juan rene » juan meng, juan rana
wing yan » wang yan, wing ian, wing tan
yan minh » tuan minh, sang minh, yang mind
cong van » congo can, duong van, cong sun
zi juan » zi yuan
yan zi » yan zhi, yuan zi, ban 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: wing yan zi juan rene ((yan minh) OR (song ming)) cong van ;~.
• Adding a wildcard symbol may retrieve word variants: wing yan zi juan rene ((yan minh) or (song ming)) cong van ;*.