Perhaps you should try some spelling variations:
thanh tung » thanh cong
thien danh » thien dang, thien thanh, thien chanh
tuan thong » toan thong, tran thong, tuan phong
thong cong » trong cong, tong cong, thong thong
thien anh » tien anh, thien thanh, thien chanh
tung tuan » trung tuan, hung tuan, quang tuan
cong san » cong tac
phan cau » phan dau, phan cac, phan lap

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) OR (thien anh)) - thanh tung tuan thong cong san ((phan cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien danh) OR (thien anh)) - thanh tung tuan thong cong san ((phan cau) OR (phan tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien danh) OR (thien anh)) - thanh tung tuan thong cong san ((phan cau) or (phan tu))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thien danh) OR (thien anh)) - thanh tung tuan thong cong san ((phan cau) or (phan tu))*.