Perhaps you should try some spelling variations:
yang guang » yang yang, yang liang
yang wang » yang yang, yan wang, yang liang
sang minh » kang minah, anh minh, song min
minh long » minh cong, vinh long
yan guan » gan guan, yan yuan, yihan guan
tun sang » du sang, tun anl
long shu » cong shu, tong shui, long du
qin tun » lin tun, ein turn

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

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