Perhaps you should try some spelling variations:
china boon » china boom, china bond, china box
than china » tuan china, han china, wuhan china
wang yang » wang yan, wang liang, wang yanling
yang jin » yang jie, yang jun, ying jin
yang jui » yang judy, yang yi
che yulu » chen yulu, che yu
yang xi » yang yi

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 yang ((((yang jin) OR (((yang jui) OR (yang xi))))) OR (yang di)) than china boon che yulu ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang ((((yang jin) or (((yang jui) or (yang xi))))) or (yang di)) than china boon che yulu ;*.