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
trinh chua » trinh chuan, trinh cua, trinh chu
chua dong » cua dong, ha dong, huy dong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than cao » toan cao, thai cao, than cap

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 chua dong ((cong dan) OR (cong san)) than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - hanh trinh chua dong ((cong dan) OR (cong san)) than cao".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh trinh chua dong ((cong dan) OR (cong san)) than cao*.