Perhaps you should try some spelling variations:
hoc thiet » hoc thieu, hoc thuyet, hoc hien
tranh cua » doanh cua, manh cua
ho thiet » hoa thiet, so thiet, hoc thieu
ban cong » bang cong, van cong, phan cong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van 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: ((ho thiet) OR (hoc thiet)) tach - canh tranh cua ban cong tan toan ban~.
• Adding a wildcard symbol may retrieve word variants: ((ho thiet) or (hoc thiet)) tach - canh tranh cua ban cong tan toan ban*.