Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cua dang » cua cong, cua ban
nong tan » nong dan, nong san, nong van
cong tan » cong tac, cong san, cong thanh
tran ban » tranh ban, tran van, 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 chieu xanh - thanh trung cua dang ((nong tan) or (cong tan)) tran ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh trung cua dang ((nong tan) OR (cong tan)) tran ban*.