Perhaps you should try some spelling variations:
chen wang » chen yang, chen rong, chen ping
cheng tan » cheng han, chen tan, cheng guan
sinh tong » minh cong, dinh tung, sing kong
yang jui » yang judy, yang di, yang yi
tan sinh » tan siew, tan xin, tan ying
yang xi » yang di, yang yi
tong a » kong a, hong a, jong a

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: chen wang ((yang xi) OR (yang jui)) cheng tan sinh tong a ;~.
• Adding a wildcard symbol may retrieve word variants: chen wang ((yang xi) or (yang jui)) cheng tan sinh tong a ;*.