Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
mot chieu » doi chieu, ho chieu
dong cong » duong cong, dung cong, dang cong
anh nang » ganh nang, anh bang, anh dang
nang cua » mang cua, hang cua, nang dua
cua dong » chua dong, cua cong, cua dang
cong tan » cong tac, cong san, cong thanh
toan tap » toan ban
toan cao » toan ban

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: ((mot chieu) OR (theo chieu)) xanh - anh nang cua dong cong tan ((toan tap) OR (toan cao))~.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (theo chieu)) xanh - anh nang cua dong cong tan ((toan tap) or (toan cao))*.