Perhaps you should try some spelling variations:
wang shiyong » wang hyoung
joon chang » hoong chang, boon chong, jin chang
wang kang » wang liang, wang yan, wang yong
wang yang » wang yan, wang liang, wang yanling
china dan » china den, china data, china des
yang joon » kyung joon, yang jin, yang jun
chang hai » chang ha, shang hai, change has
dan yang » daun yang, tan yang, yang yang

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 shiyong))) OR (wang yang)) can china dan yang joon chang hai ;~.
• Adding a wildcard symbol may retrieve word variants: ((((wang kang) or (wang shiyong))) or (wang yang)) can china dan yang joon chang hai ;*.