Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
van phuong » van phong, va phuong, van chuong
hoc thieu » hoc hien
tan nhanh » tai nhanh, tan nhan, tan thanh
nhanh bac » nhanh ha, nhanh va
thanh ta » thanh tra, thanh tai, thanh tay
cong tan » cong tac, cong san, cong thanh
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: ((toc thieu) or (hoc thieu)) tinh - thanh ta van phuong cong tan nhanh bac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (hoc thieu)) tinh - thanh ta van phuong cong tan nhanh bac.
• Adding a wildcard symbol may retrieve word variants: ((toc thieu) or (hoc thieu)) tinh - thanh ta van phuong cong tan nhanh bac*.