Perhaps you should try some spelling variations:
chiet tach » chieu sach
ho chiet » ho chieu, ho thiet, hoc thiet
chinh va » chinh ta, chinh tai, hanh va
cong van » cong vang, song van, cong va
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan tap » toan ban

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: ho chiet tach - hanh chinh va nhung ((((cong van) OR (cong tan))) OR (cong san)) toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - hanh chinh va nhung ((((cong van) OR (cong tan))) or (cong san)) toan tap~".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - hanh chinh va nhung ((((cong van) OR (cong tan))) or (cong san)) toan tap*.