Perhaps you should try some spelling variations:
dinh tuan » binh thuan, dinh tung, anh tuan
zhang wei » zhen wei
yan tuan » yan guan, yan yuan, anh tuan
ji zhang » jia zhang, jie zhang, li zhang
wei ying » wei ming, wei yang, wei yiming
ying jin » yang jin, jing ji, yang jie
ruan ji » huan jie

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: lang ((yan tuan) or (dinh tuan)) ruan ji zhang wei ying jin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang ((yan tuan) OR (dinh tuan)) ruan ji zhang wei ying jin ;*.