Perhaps you should try some spelling variations:
chiet tach » chieu sach
chinh cua » chinh ca, chinh sua, chinh luan
ho chiet » ho chieu, ho thiet, hoc thiet
hinh cua » sinh cua, tinh cua, dinh cua
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban, toan tap

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 ((chinh cua) or (hinh cua)) thuong ((cong dan) OR (cong tan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - hanh ((chinh cua) OR (hinh cua)) thuong ((cong dan) OR (cong tan)) toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - hanh ((chinh cua) or (hinh cua)) thuong ((cong dan) OR (cong tan)) toan cao*".