Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, peng liang
yang yang » wang yang, wang yan
can child » care child, can build, cbt child
deng gang » den gang, der gang, gong gang
long du » long d, long do, long run
gang 2 » gang 3, gang _, zugang 2
2 long » a long, 3 long, 3.2 long

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: ((yang liang) OR (yang yang)) ((can child) OR (can china)) deng gang 2 long du ;~.
• Adding a wildcard symbol may retrieve word variants: ((yang liang) or (yang yang)) ((can child) or (can china)) deng gang 2 long du ;*.