Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
hanh thong » anh thong, hanh trong, hang thong
hoc thieu » toc thieu, hoc hien
thong cua » thong quan, thong tu, huong cua
dang cong » dung cong
ho chieu » doi chieu, mot chieu, thi chieu
cua dang » cua cong, cua ban
cong van » cong vang, cong san, song van
van van » tan van, san van, van vat

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: ((((ho chieu) OR (hoc thieu))) OR (theo chieu)) tach - hanh thong cua dang cong van van ban~.
• Adding a wildcard symbol may retrieve word variants: ((((ho chieu) or (hoc thieu))) or (theo chieu)) tach - hanh thong cua dang cong van van ban*.