Perhaps you should try some spelling variations:
kwang minh » kang minah, sang minh
wang yang » wang yan, wang liang, wang yanling
kim kwang » kim jang
long dou » long du, long hour, long did
yang yi » yang di, yang jui
yang xi » yang di, yang jui
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: wang yang ((yang yi) or (yang xi)) kim kwang minh ((long dou) or (long do)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ((yang yi) OR (yang xi)) kim kwang minh ((long dou) OR (long do)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yang ((yang yi) or (yang xi)) kim kwang minh ((long dou) or (long do)) ;*.