Perhaps you should try some spelling variations:
yang minh » sang minh, yang mind, kang minah
yang jui » yang judy, yang di, yang xi
tan yang » dan yang, tan ying, tan yong
yang yi » yang di, yang xi
long du » long d, long run, long did
long do » long d, longer do, long ago
wang » wing, wan, lang

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

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