Perhaps you should try some spelling variations:
yang guang » yang yang, yang liang
liang sun » liang dan, wing sun
liang tan » liang dan, wing tan
yan guan » gan guan, yan yuan, yihan guan
sang mis » sang minh, saip mis, sang m
a dong » _ dong, a dog, a dosing
mis a » vis a
sin » sign, sind, skin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((liang sun) or (liang tan))) or (dong di)) ((yang guang) or (yan guan)) sang mis a dong sin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((liang sun) OR (liang tan))) OR (dong di)) ((yang guang) OR (yan guan)) sang mis a dong sin ;*.