Perhaps you should try some spelling variations:
chen shuang » chen chung, chen huigang, chen chuanfu
wang liang » wang yang
liang ying » liang liying, huang ying, zhang ying
long thanh » luong thanh, long han, long trinh
kong long » kong hong, going long, kong young
ying hua » ming hua, wang hua, ying zhu

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang ying hua ((chen shuang) OR (chen chuan)) kong long thanh ;~".
• Adding a wildcard symbol may retrieve word variants: wang liang ying hua ((chen shuang) OR (chen chuan)) kong long thanh ;*.