Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh
thien danh » thien anh, thien dang, thien thanh
thanh tung » thanh cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
dong cong » duong cong, dung cong, dang cong
tung cua » trung cua, tuong cua, dung cua
cua dong » chua dong, cua cong, cua dang
cong san » cong tac
san than » sang than, san thanh, ban than
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 ((((thieu xanh) OR (thien danh))) or (hieu manh)) - thanh tung cua dong cong san than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu xanh) OR (thien danh))) OR (hieu manh)) - thanh tung cua dong cong san than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((thieu xanh) OR (thien danh))) or (hieu manh)) - thanh tung cua dong cong san than cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((((thieu xanh) OR (thien danh))) or (hieu manh)) - thanh tung cua dong cong san than cau*.