Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
thien anh » thien danh, tien anh, thien thanh
tung tuan » trung tuan, hung tuan, quang tuan
tuan tong » toan tong, thuan trong, toan thong
cong tac » cong ty
toan tap » toan ban

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 (chieu xanh)) - thanh tung tuan tong ((cong san) or (cong tac)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (chieu xanh)) - thanh tung tuan tong ((cong san) OR (cong tac)) toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) or (chieu xanh)) - thanh tung tuan tong ((cong san) or (cong tac)) toan tap*.