Perhaps you should try some spelling variations:
thanh tung » thanh cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hoc hieu » hoc thieu, hoc hien, doc hieu
tung cua » trung cua, tuong cua, dung cua
cua dong » chua dong, cua cong, cua dang
cong ban » cong bang, cong tan, cong dan
cong san » cong tac
toan cau » toan cao, toan ban, toan tap
than cap » khan cap, thanh lap, thanh cac

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: hoc hieu manh - thanh tung cua dong ((cong ban) OR (cong san)) ((toan cau) OR (than cap))~.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - thanh tung cua dong ((cong ban) or (cong san)) ((toan cau) or (than cap))*.