Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, nhieu tang
trung tuan » trung thanh, trung tam, tran tuan
hieu lang » hieu quang, nhieu tang, hieu van
tuan hang » tuan hoang, tuan bang, tuan dang
hang nong » thang long, han tong
nong dan » cong dan, nong san, nguong dan
can cau » van cau, ca cau, cac cau
ban cau » bang cau, ban can, van cau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (hieu lang)) - thanh trung tuan hang nong dan ((can cau) OR (ban cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) OR (hieu lang)) - thanh trung tuan hang nong dan ((can cau) or (ban cau))~".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) OR (hieu lang)) - thanh trung tuan hang nong dan ((can cau) or (ban cau))*.