Perhaps you should try some spelling variations:
huong thanh » phuong thanh, muong thanh, luong thanh
theo chieu » theo tieu, theo chu, thi chieu
nong huong » cong huong, dong huong, cong thuong
hanh dong » anh dong, ha dong
ho chieu » hoc thieu, doi chieu, mot chieu
dong cuu » dong cua, song cuu, dong cuc
cuu nong » cuu cong, cuu nang, cuu tong
toan ban » van ban
toan cao » toan tap

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: ((theo chieu) OR (ho chieu)) xanh - hanh dong cuu nong huong thanh ((toan ban) OR (toan cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (ho chieu)) xanh - hanh dong cuu nong huong thanh ((toan ban) or (toan cao))~".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (ho chieu)) xanh - hanh dong cuu nong huong thanh ((toan ban) or (toan cao))*.