Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
hoc thien » hoc hien, hoc thieu, hoc thiet
cua thong » cua thuong, cua khong, cua tong
tung cua » trung cua, tuong cua, dung cua
cong san » cong tac
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap

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 danh - thanh tung cua thong cong san ((than cau) OR (toan cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien danh - thanh tung cua thong cong san ((than cau) OR (toan cau))".
• Adding a wildcard symbol may retrieve word variants: hoc thien danh - thanh tung cua thong cong san ((than cau) OR (toan cau))*.