Perhaps you should try some spelling variations:
china tan » china top, china two, china taiwan
wang nan » wang yan, wang dan, wang yang
wang ban » wang yan, wang dan, wang yang
tan ying » fan ying, ran ying, tan yang
ying jin » yang jin, jing ji, yang jie
zong hai » dang hai, long han, zong he
hong hai » shang hai, zhong tai, dang hai

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 nan) OR (wang ban)) can china tan ying jin ((zong hai) OR (hong hai)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang nan) or (wang ban)) can china tan ying jin ((zong hai) or (hong hai)) ;*.