Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh tranh » canh tranh, hanh trinh, hanh trang
khoan cam » khoa cam, khoan va, phan cam
ho chiet » ho chieu, ho thiet, hoc thiet
cua dung » cua dang, qua dung, cua rung
cua dong » chua dong, cua cong, cua dang
cong dan » cong san, cong tan, huong dan
khan cap » khan ap, than cap, phan cac

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 tranh ((cua dung) OR (cua dong)) cong dan ((khan cap) or (khoan cam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - hanh tranh ((cua dung) OR (cua dong)) cong dan ((khan cap) OR (khoan cam))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - hanh tranh ((cua dung) OR (cua dong)) cong dan ((khan cap) or (khoan cam))*".