Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
thanh tung » thanh cong
thien anh » thien danh, tien anh, thien thanh
dong cong » duong cong, dung cong, dang cong
thanh lap » thanh san, phan lap, thanh hai
tung cua » trung cua, tuong cua, dung cua
cua dong » chua dong, cua cong, cua dang
cong san » cong tac
than cau » toan cau, phan cau, than cap

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 (hieu nganh)) - thanh tung cua dong cong san ((than cau) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (hieu nganh)) - thanh tung cua dong cong san ((than cau) OR (thanh lap)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) or (hieu nganh)) - thanh tung cua dong cong san ((than cau) or (thanh lap))*.