Perhaps you should try some spelling variations:
chiet tach » chieu sach
doanh cua » doanh luan
trung cua » truong cua, trung tuan, trung cap
ho chiet » ho chieu, ho thiet, hoc thiet
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than ban » thanh ban, toan ban, than man

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