Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien danh
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
cong thanh » dong thanh, cong trinh, cong tan
thanh phan » thanh pho, thanh san, thanh toan
hieu manh » chieu xanh, hieu nganh, dieu hanh
thien anh » thien danh, tien anh, thien thanh
tung toan » dung toan, truong toan, quang toan
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 ((((thieu xanh) or (hieu manh))) or (thien anh)) - thanh tung toan thong cong thanh phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu xanh) OR (hieu manh))) OR (thien anh)) - thanh tung toan thong cong thanh phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((thieu xanh) or (hieu manh))) or (thien anh)) - thanh tung toan thong cong thanh phan cau*.