Perhaps you should try some spelling variations:
thanh trung » thanh tung
thien thanh » tien thanh, thi thanh, hien hanh
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung thanh, trung tam, tran tuan
dung cong » dung trong
hang nong » thang long, han tong
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan 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 ((thien thanh) or (chieu xanh)) - thanh trung tuan ((dung cong) or (hang nong)) van tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien thanh) OR (chieu xanh)) - thanh trung tuan ((dung cong) OR (hang nong)) van tuan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien thanh) or (chieu xanh)) - thanh trung tuan ((dung cong) or (hang nong)) van tuan ban*.