Perhaps you should try some spelling variations:
choong wan » chong wan
chin hong » china hong, chin chang, china long
chong nam » phuong nam, chong wan, chong yah
nana yaa » nan ya, nan yan, nanay a
yaa cong » yan cong
cong van » congo can, duong van, cong sun
van chin » van chien, van chinh, wen chin

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

• Performing a fuzzy search may retrieve terms with similar spellings: nana yaa cong van chin hong kong ((choong wan) or (chong nam)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nana yaa cong van chin hong kong ((choong wan) OR (chong nam)) ;*.