Perhaps you should try some spelling variations:
liang thanh » liang tan, long thanh, luong thanh
wang liang » wang yang
thanh van » thanh dam, thanh vu
daun yang » du yang, un yang
dan yang » wang yang, yang yang, adam yang
tan yang » tan ying, tan yong, tao yang
pei yang » wei yang, hui yang, pei yun
thi hong » tan hong
hong yi » chong yi, hong yu, wong yi

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 liang thanh van ((((((dan yang) OR (tan yang))) OR (pei yang))) OR (daun yang)) thi hong yi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang thanh van ((((((dan yang) OR (tan yang))) or (pei yang))) or (daun yang)) thi hong yi ;~".
• Adding a wildcard symbol may retrieve word variants: wang liang thanh van ((((((dan yang) OR (tan yang))) or (pei yang))) or (daun yang)) thi hong yi ;*.