Perhaps you should try some spelling variations:
dinh tuan » binh thuan, dinh tung, anh tuan
huan ping » sukan ping, huang jing, huang ting
ping wang » ping pong, hong wang
yan guan » gan guan, yan yuan, yang guang
wang pei » wang wei, wang fei, wang lei
pei yang » wei yang, hui yang, pei yun
yang jie » yang jin, yang di, yang jui

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: wan ((yan guan) OR (dinh tuan)) huan ping wang pei yang jie ;~.
• Adding a wildcard symbol may retrieve word variants: wan ((yan guan) or (dinh tuan)) huan ping wang pei yang jie ;*.