Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
china gain » china grain, china main, china going
yan tuan » yan guan, yan yuan, anh tuan
yang jin » yang jie, ying jin, shang jin
yang jun » yang jui, pang jun, yang judy
zong hai » hong hai, dang hai, long han
yang li » yang lin, yang di, yang xi
wang » wing, wan, lang

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 tuan china gain ((((yang li) OR (yang jin))) OR (yang jun)) zong hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang yan tuan china gain ((((yang li) or (yang jin))) or (yang jun)) zong hai ;*.