Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
trang cua » tang cua, trung cua, thang cua
tranh cua » doanh cua, manh cua
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than man » than ma, thanh san, tran manh

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: hoc chieu xanh - hanh ((trang cua) OR (tranh cua)) duong ((cong dan) OR (cong tan)) than man~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh ((trang cua) OR (tranh cua)) duong ((cong dan) or (cong tan)) than man~".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh ((trang cua) OR (tranh cua)) duong ((cong dan) or (cong tan)) than man*.