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
song shen » song shin, dong sheng, hong sheng
shen cong » shen chang, zheng cong
ham john » am john, lim john

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 shen cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang zhiyong) OR (wang heyong)) van ham john song shen cong shu ;*.