Perhaps you should try some spelling variations:
wang liang » wang yang
yang liang » yan liang, yang yang, peng liang
chen zheng » chen zhen, chen aizheng, cheng zhang
zheng wong » zheng rong, zheng cong, zheng song
wong tong » wong tony, tong song
wang nan » wang yan, wang ban, wang dan
tong hui » wang hui

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 nan ((wang liang) OR (yang liang)) chen zheng wong tong hui ;~".
• Adding a wildcard symbol may retrieve word variants: wang nan ((wang liang) OR (yang liang)) chen zheng wong tong hui ;*.