Perhaps you should try some spelling variations:
chen china » when china, china china, cheap china
yan yuan » fang yuan, nan yan, yan clan
gui guan » gan guan, gui hua, tuo guan
yan guan » gan guan, yang guang, yihan guan
li chen » yi chen, jui chen
wang » wing, wan, lang
hong » long
kong » long, pong, ong
sar » sara, star, saur

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 ((((yan yuan) OR (gui guan))) OR (yan guan)) li chen china hong kong sar ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((((yan yuan) or (gui guan))) or (yan guan)) li chen china hong kong sar ;*.