Perhaps you should try some spelling variations:
thanh tung » thanh cong
thien anh » thien danh, tien anh, thien thanh
dong cong » duong cong, dung cong, dang cong
thanh cac » hanh cac, thanh bac, thanh ca
tung cua » trung cua, tuong cua, dung cua
cua dong » chua dong, cua cong, cua dang
cong san » cong tac
phan cau » phan dau, phan cac, phan tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien anh) or (dieu hanh)) - thanh tung cua dong cong san ((phan cau) or (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (dieu hanh)) - thanh tung cua dong cong san ((phan cau) OR (thanh cac)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) or (dieu hanh)) - thanh tung cua dong cong san ((phan cau) or (thanh cac))*.