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