Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung thanh, trung tam, truong thanh
nhung cong » dung cong, thong cong, hang cong
tran tuan » tran quang, tran thanh, tranh luan
tran xuan » tran quang, tran van
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cau » toan cau, phan cau, than cap

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 xanh - thanh ((trung tuan) OR (((tran tuan) OR (tran xuan)))) nhung cong ban than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - thanh ((trung tuan) or (((tran tuan) OR (tran xuan)))) nhung cong ban than cau~".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh ((trung tuan) or (((tran tuan) OR (tran xuan)))) nhung cong ban than cau*.