Perhaps you should try some spelling variations:
china wei » china west, china wuxi, china who
hong can » hong tan, congo can, hong gang
wei yang » pei yang, wei wang, wei yang's
yang hui » yang jui, wang hui, yang muxi
hui tong » hui ping, hui yang, hui ying
tong hui » wang hui
congo 1 » congo 11, congo _, congo 2

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 ((hong can) OR (congo 1)) china wei yang hui tong hui ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((hong can) or (congo 1)) china wei yang hui tong hui ;*.