Perhaps you should try some spelling variations:
china who » china why, china what, china won
wang dan » wang yan, wang ban, wang yidan
who kong » who kind
kong lin » kong lyn, kong land, song lina
zong hai » hong hai, zong he
long han » long chain, long thanh, long haul
dan can » dan cao, dan con, man can

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 dan can china who kong lin ((((zong hai) OR (long han))) OR (dang hai)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang dan can china who kong lin ((((zong hai) OR (long han))) or (dang hai)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang dan can china who kong lin ((((zong hai) OR (long han))) or (dang hai)) ;*.