Perhaps you should try some spelling variations:
thanh tung » thanh cong
chieu xanh » chieu sach, chieu sang, chieu tinh
tuan khong » toan khong, tuan phong, thuan phong
khong cong » thong cong, khong cang, chong cong
thien anh » thien danh, tien anh, thien thanh
tung tuan » trung tuan, hung tuan, quang tuan
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (thien anh)) - thanh tung tuan khong cong tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (thien anh)) - thanh tung tuan khong cong tan than cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (thien anh)) - thanh tung tuan khong cong tan than cau*.