Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
china wang » china chang, china zhang, china won
china yang » china ying, china chang, china zhang
yan liang » yang liang, wang liang, you liang
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 wang) OR (china yang)) gang 3 longer a ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan liang) or (yang guang)) tan ((china wang) OR (china yang)) gang 3 longer a ;~".
• Adding a wildcard symbol may retrieve word variants: ((yan liang) or (yang guang)) tan ((china wang) OR (china yang)) gang 3 longer a ;*.