Perhaps you should try some spelling variations:
sang minh » kang minah, anh minh, song min
minh long » minh cong, vinh long
yan yang » yang yang, yao yang, tan yang
dan yang » daun yang, tan yang, wang yang
long du » long d, long do, long run
li ii » li li, li yi
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 ((yan yang) OR (dan yang)) li ii sang minh long du ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan yang) OR (dan yang)) li ii sang minh long du ;*".