Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, nhung don
trung cua » truong cua, trung cap, dung cua
hang cong » dang cong, hang nong, bang cong
dan hanh » dang hanh, dan khanh, dan thanh
hanh cac » hang cac, hanh cat, nhanh cay

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 sach - thanh ((trung cua) OR (trung tuan)) ((nhung cong) OR (hang cong)) dan hanh cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - thanh ((trung cua) or (trung tuan)) ((nhung cong) OR (hang cong)) dan hanh cac~".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh ((trung cua) or (trung tuan)) ((nhung cong) OR (hang cong)) dan hanh cac*.