Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
yan liang » yang liang, wang liang, you liang
tan china » tuan china, than china, can china
wang gang » wang liang, wang yan, wang yong
wang yang » wang yan, wang liang, wang yanling
3 longer » _ longer, 2 longer, 3 langer
longer a » longer _

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan liang) OR (yang guang)) tan china ((wang gang) OR (wang yang)) 3 longer a ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan liang) or (yang guang)) tan china ((wang gang) OR (wang yang)) 3 longer a ;~".
• Adding a wildcard symbol may retrieve word variants: ((yan liang) or (yang guang)) tan china ((wang gang) OR (wang yang)) 3 longer a ;*.