Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trinh » canh tranh, hanh chinh
quan nhung » qua nhung, cua nhung, luan chung
cua chung » cua nhung, luan chung, luat chung
ho chiet » ho chieu, ho thiet, hoc thiet
cong dan » cong san, cong tan, cong dong
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 trinh ((quan nhung) or (cua chung)) ((cong dan) OR (huong dan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - hanh trinh ((quan nhung) OR (cua chung)) ((cong dan) OR (huong dan)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - hanh trinh ((quan nhung) or (cua chung)) ((cong dan) OR (huong dan)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - hanh trinh ((quan nhung) or (cua chung)) ((cong dan) OR (huong dan)) toan ban*.