Perhaps you should try some spelling variations:
liang yang » wang yang, yang yang, huang yang
liang ying » liang liying, huang ying, zhang ying
yang zeng » yang erzeng, tang zheng, wang zheng
zeng doug » jeng dong, zeng douglas
x1 best » 11 best, 3.1 best
1 best » 3 best, 4 best, 2 best
sind » find, wind, kind

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 ((liang yang) OR (liang ying)) ((x1 best) OR (1 best)) yang zeng doug (sin OR sind) ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((liang yang) or (liang ying)) ((x1 best) or (1 best)) yang zeng doug (sin or sind) ;*.