Perhaps you should try some spelling variations:
duong cong » dung cong, luong cong, duong trong
kieu tinh » lieu tinh, trieu tinh, diep tinh
tran tuan » tran quang, tran thanh, tranh luan
tran xuan » tran quang, tran van
cong san » cong tac
ho kieu » ho lieu, so kieu, thi kieu
san van » tan van, luan van, tran van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho kieu tinh - thanh ((tran tuan) or (tran xuan)) duong cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho kieu tinh - thanh ((tran tuan) OR (tran xuan)) duong cong san van ban.
• Adding a wildcard symbol may retrieve word variants: ho kieu tinh - thanh ((tran tuan) or (tran xuan)) duong cong san van ban*.