Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang shiyong
yang vinh » sang minh, yang jing, yang lin
yang hua » wang hua, yang hui, ying hua
hua chen » jui chen, yu chen, a chen
yang jin » yang jie, yang jun, shang jin
ying jin » jing ji, yang jie
long shu » cong shu, tong shui, long du

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 yong) OR (wang yan)) yang hua chen ((yang vinh) OR (((yang jin) OR (ying jin)))) long shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yong) OR (wang yan)) yang hua chen ((yang vinh) or (((yang jin) or (ying jin)))) long shu ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang yong) OR (wang yan)) yang hua chen ((yang vinh) or (((yang jin) or (ying jin)))) long shu ;*.