Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trung » thanh trung, hanh trang, manh trung
trung cua » truong cua, trung tuan, trung cap
ho chiet » ho chieu, ho thiet, hoc thiet
cong dan » cong tan, cong dong, cong tac
cong san » cong tac
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - hanh trung cua cong ((((cong dan) OR (cong san))) or (huong dan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - hanh trung cua cong ((((cong dan) OR (cong san))) OR (huong dan)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - hanh trung cua cong ((((cong dan) OR (cong san))) or (huong dan)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - hanh trung cua cong ((((cong dan) OR (cong san))) or (huong dan)) toan ban*.