Perhaps you should try some spelling variations:
hanh manh » hanh mang, lanh manh, hoang manh
dang cong » dung cong
theo yeu » thiet yeu
theo chu » theo chieu, cho chu, chao chu
manh cua » doanh cua, ban cua
cua dang » cua cong, cua ban
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » 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: ((((theo yeu) OR (theo tieu))) OR (theo chu)) tinh - hanh manh cua dang cong tac toan tap~.
• Adding a wildcard symbol may retrieve word variants: ((((theo yeu) or (theo tieu))) or (theo chu)) tinh - hanh manh cua dang cong tac toan tap*.