Perhaps you should try some spelling variations:
sang minh » kang minah, song min, song ming
yan yang » yang yang, yao yang, dan yang
yang lin » yang jin, wang lin, yang li
tang min » chang min, yang mind, tang li
tong hui » wang hui
lin li » ling li, lin yi, yin li
wang » wing, wan, lang
shin » skin, sein, thin

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan yang lin li ((tang min) OR (((sang minh) OR (anh minh)))) ((tong hui) OR (song shin)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yan yang lin li ((tang min) OR (((sang minh) OR (anh minh)))) ((tong hui) OR (song shin)) ;*.