Perhaps you should try some spelling variations:
kang minh » kang minah, sang minh, anh minh
minh long » minh cong, vinh long
yan yang » yang yang, tan yang, yan wang
yao yang » yang yang
dan yang » daun yang, tan yang, wang yang
xi kang » jin kang, xi zhang
long du » long d, long do, long run
wang » 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 or wing) ((((yan yang) OR (yao yang))) or (dan yang)) jin xi kang minh long du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR wing) ((((yan yang) OR (yao yang))) OR (dan yang)) jin xi kang minh long du ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang or wing) ((((yan yang) OR (yao yang))) or (dan yang)) jin xi kang minh long du ;*".