Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
dang luong » nang luong, dung luong, hang luong
hoc chieu » hoc thieu, ho chieu, hoc hien
tung tuan » trung tuan, hung tuan, quang tuan
tuan dang » tran dang, tuan bang, tuan dung
tai toan » tap toan, tai tuan, tam toan
bai toan » bai 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 chieu xanh - thanh tung tuan dang luong ((tai toan) or (bai toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh tung tuan dang luong ((tai toan) OR (bai toan)) tap.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh tung tuan dang luong ((tai toan) or (bai toan)) tap*.