Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
quan dang » quang dang, quan dong, tuan dang
quan lang » quan hoang, gian lang, quan luan
thanh cac » hanh cac, thanh bac, thanh ca
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - hanh trinh ((quan dang) OR (quan lang)) ((cong tan) or (cong tac)) thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - hanh trinh ((quan dang) OR (quan lang)) ((cong tan) OR (cong tac)) thanh cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - hanh trinh ((quan dang) OR (quan lang)) ((cong tan) or (cong tac)) thanh cac".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh trinh ((quan dang) OR (quan lang)) ((cong tan) or (cong tac)) thanh cac*.