Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
sang minh » kang minah, anh minh, song min
minh long » minh cong, vinh long
yan yang » yao yang, tan yang, yan wang
dan yang » daun yang, tan yang, wang yang
ai sang » kil sang
long do » long d, long du, longer do
xi ai » ai ai, i ai, ii ai

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan ((((yan yang) or (dan yang))) or (yang yang)) xi ai sang minh long do ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan ((((yan yang) OR (dan yang))) OR (yang yang)) xi ai sang minh long do ;*.