Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
yang guang » yang yang, yan guan
child chen » child when
can child » care child, can build, can china
chen gang » chen yang, chen wang, chen yugang
longer do » longer _, longer a, long do
3 longer » _ longer, 2 longer, 3 langer
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: ((yang liang) OR (yang guang)) can child chen gang 3 longer do ;~.
• Adding a wildcard symbol may retrieve word variants: ((yang liang) or (yang guang)) can child chen gang 3 longer do ;*.