Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
known your » know your, knowing your, knock your
fang yuan » wang yuhan, wang yan, meng yuan
how known » now known, how knowing
jui chen » yi chen
chan how » chain how, change how, chains how
li chen » yi chen

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: wan ((fang yuan) OR (yang liang)) ((li chen) OR (jui chen)) chan how known your ;~.
• Adding a wildcard symbol may retrieve word variants: wan ((fang yuan) or (yang liang)) ((li chen) or (jui chen)) chan how known your ;*.