Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » manh cua
doanh cua » doanh luan
thanh cac » hanh cac, thanh bac, thanh ca
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu tinh - canh ((tranh cua) or (doanh cua)) nhung ((cong dan) OR (cong tan)) thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - canh ((tranh cua) OR (doanh cua)) nhung ((cong dan) OR (cong tan)) thanh cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu tinh - canh ((tranh cua) or (doanh cua)) nhung ((cong dan) OR (cong tan)) thanh cac".
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - canh ((tranh cua) or (doanh cua)) nhung ((cong dan) OR (cong tan)) thanh cac*.