Perhaps you should try some spelling variations:
wang zhiyong » wang shiyong, wang zhiqiong, zheng zhiyong
wang heyong » wang shiyong, wang hyoung, wang yong
john song » john wong, john bonn, john ngosong
shin dong » shin young, shi rong, shin jang
ham john » am john, lim john
dong shu » cong shu, tong shui, wong shiu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang zhiyong) or (wang heyong)) van ham john song shin dong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang zhiyong) OR (wang heyong)) van ham john song shin dong shu ;*.