Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
yang guang » yang yang, yan guan
tan cheng » tang zheng, yuan cheng, tan hong
cheng wei » chen wei, cheng hei, cheng siwei
wei yang » pei yang, wei wang, wei yang's
3 longer » _ longer, 2 longer, 3 langer
longer a » longer _
yang 3 » yang _, yang 8, gang 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)) tan cheng wei yang 3 longer a ;~.
• Adding a wildcard symbol may retrieve word variants: ((yang liang) or (yang guang)) tan cheng wei yang 3 longer a ;*.