Perhaps you should try some spelling variations:
duong cong » dung cong, luong cong, duong trong
van duong » van dong, van dung, van phong
hoc tieu » hoc thieu, hoc dieu, hoc sieu
thanh ta » thanh tra, thanh tai, thanh tay
cong van » cong vang, cong san, song van
van phan » van phong, van thanh, luan phan
phan bac » phan cac, phan ba, pham bac
ta van » tan van, tap van, va van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc tieu) or (toc thieu)) tinh - thanh ta van duong cong van phan bac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc tieu) OR (toc thieu)) tinh - thanh ta van duong cong van phan bac.
• Adding a wildcard symbol may retrieve word variants: ((hoc tieu) or (toc thieu)) tinh - thanh ta van duong cong van phan bac*.