Perhaps you should try some spelling variations:
wang liang » wang yang
wang ying » wang yang, wang yong, wang jing
ying yang » yang yang, yin yang, ying chang
yang doug » yang du, zeng doug
fan ying » fan xing, ran ying, tan ying
doug hai » dang hai, hong hai
yan fan » yang fan, yan clan, yan guan

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: ((((wang ying) OR (wang liang))) OR (wang yanling)) wang yan fan ying yang doug hai ;~.
• Adding a wildcard symbol may retrieve word variants: ((((wang ying) or (wang liang))) or (wang yanling)) wang yan fan ying yang doug hai ;*.