Perhaps you should try some spelling variations:
wang liang » wang yang
yang liang » yan liang, yang yang, peng liang
chen zhen » chen zhe
zhen wong » zhen yong, zheng rong, zheng cong
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: wang nan ((wang liang) OR (yang liang)) chen zhen wong tong hui ;~.
• Adding a wildcard symbol may retrieve word variants: wang nan ((wang liang) or (yang liang)) chen zhen wong tong hui ;*.