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

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) OR (tuan china)) wang gang 3 longer a ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan liang) or (yang guang)) ((tan china) OR (tuan china)) wang gang 3 longer a ;~".
• Adding a wildcard symbol may retrieve word variants: ((yan liang) or (yang guang)) ((tan china) OR (tuan china)) wang gang 3 longer a ;*.