Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thanh manh » thanh minh, thanh lanh, thanh thanh
thanh anh » thanh binh, thanh san, hinh anh
cong van » cong vang, song van, cong tan
cong san » cong tac
tai cao » thai cao, tao cao, tai sao

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 manh) OR (thanh anh)) cua ban ((cong van) OR (cong san)) tai cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - ((thanh manh) OR (thanh anh)) cua ban ((cong van) or (cong san)) tai cao~".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((thanh manh) OR (thanh anh)) cua ban ((cong van) or (cong san)) tai cao*.