Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
trung chua » trung cua, trong chuan, trung ha
hoc chieu » hoc thieu, ho chieu, hoc hien
chua bang » chu bang, chua nang, chua xang
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
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: hoc chieu xanh - thanh trung chua bang ((cong dan) or (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh trung chua bang ((cong dan) OR (cong san)) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh trung chua bang ((cong dan) or (cong san)) toan ban*.