Perhaps you should try some spelling variations:
sang minh » kang minah, anh minh, song min
wang ban » wang yan, wang dan, wang yang
yang lin » yang jin, wang lin, yang liang
yang li » yang di, yang xi, yang yi
yi sang » yi gang, yi yang, yi sang's
long do » long d, longer do, long ago
long du » long d, long run, long did

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ban ((yang li) or (yang lin)) yi sang minh ((long do) or (long du)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ban ((yang li) OR (yang lin)) yi sang minh ((long do) OR (long du)) ;*.