Perhaps you should try some spelling variations:
wang kang » wang liang, wang yan, wang yong
wang yang » wang yan, wang liang, wang yanling
han china » hang china, than china, can china
china dan » china den, china data, china des
yang lin » yang jin, wang lin, yang liang
yang li » yang di, yang xi, yang yi
hai » hadi, haji, hari

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