Perhaps you should try some spelling variations:
yang guang » yan guan
yang liang » wang liang, yan liang, peng liang
yang yang » wang yang, wang yan
yan wang » yuan wang, qian wang, yan liang
thanh vu » thanh van, thanh _
hui yang » hui ying, du yang, h yang
long do » long d, long du, longer do
yang a » yang ka, yang _, yang 8

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((((yang guang) OR (yang liang))) or (yan wang))) or (yang yang)) thanh vu hui yang a long do ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((((yang guang) OR (yang liang))) OR (yan wang))) OR (yang yang)) thanh vu hui yang a long do ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((yang guang) OR (yang liang))) or (yan wang))) or (yang yang)) thanh vu hui yang a long do ;*".