Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
tuan nhung » quan nhung, tuan hung, thuat nhung
tung tuan » trung tuan, hung tuan, quang tuan
thanh cac » hanh cac, thanh bac, thanh ca
cong van » cong vang, song van, cong tan
cong san » cong tac
khan cap » khan ap, than cap, khoan cam

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