Perhaps you should try some spelling variations:
yang guang » yan guan, yang liang
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
sang minh » kang minah, anh minh, tang min
song ming » song bing, gong min, jong min
song min » gong min, jong min, song jin
kil » kiel, kill, keil

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 yang guang kil ((((sang minh) OR (song ming))) or (song min)) cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yang guang kil ((((sang minh) OR (song ming))) OR (song min)) cong shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang yang guang kil ((((sang minh) OR (song ming))) or (song min)) cong shu ;".
• Adding a wildcard symbol may retrieve word variants: wang yang yang guang kil ((((sang minh) OR (song ming))) or (song min)) cong shu ;*.