Perhaps you should try some spelling variations:
kang minh » kang minah, anh minh, kan min
sang minh » kang minah, anh minh, song min
yan yang » yang yang, yao yang, dan yang
yang li » yang lin, yang di, yang xi
li li » li lin, li l, li lu
wang » wing, wan, lang
cong » congo, long, hong

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan yang li li ((kang minh) or (sang minh)) cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan yang li li ((kang minh) OR (sang minh)) cong shu ;*.