Perhaps you should try some spelling variations:
thanh trung » thanh tung
thien danh » thien dang, thien thanh, thien chanh
thong cong » trong cong, tong cong, thong thong
thien anh » tien anh, thien thanh, thien chanh
tam thong » tam thuong, tao thong, nam thong
cong san » cong tac
than cau » toan cau, than cap, thanh chau
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 (thien danh)) - thanh trung tam thong cong san ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (thien danh)) - thanh trung tam thong cong san ((than cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) or (thien danh)) - thanh trung tam thong cong san ((than cau) or (phan cau))*.