Perhaps you should try some spelling variations:
trung thanh » truong thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
tung dong » tuong dong, trung dong, vung dong
ho chieu » theo chieu, hoc thieu, mot chieu
dong tai » dung tai, luong tai, cong tac
tai toan » bai toan, tap toan, tai tuan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - thanh trung thanh tung dong tai toan ban~.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung thanh tung dong tai toan ban*.