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
dan qing » dan yang, der qing
qing ji » jing ji, ying jin, jing jia
dang » lang, dans, gang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang kang) or (wang yang)) han china dan qing ji dang (hai or hadi) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang kang) OR (wang yang)) han china dan qing ji dang (hai OR hadi) ;*.