Perhaps you should try some spelling variations:
yang guang » yan guan, yang liang
yang yang » wang yang, wang yan
wang ping » wang jing, wang ning, wang peng
ping wang » ping pong, hong wang
tan puay » tan hua
wei wang » wei yang, wen wang, wei shang
wang hui » wang hua, wang zhi, wang wei
tuan vu » thanh vu, tuan hua

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: ((yang yang) OR (yang guang)) ((ya hua) OR (((tuan vu) OR (tan puay)))) wei wang ping wang hui ;~.
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (yang guang)) ((ya hua) or (((tuan vu) or (tan puay)))) wei wang ping wang hui ;*.