Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh, hanh chinh
cong cong » cong dong, trong cong, dung cong
cong dan » cong san, cong tan, huong dan
nhan tai » hang tai, van tai, toan tai
han tai » hang tai, van tai, toan tai

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 tranh) OR (hanh trinh)) cua cong cong dan ((nhan tai) or (han tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - ((hanh tranh) OR (hanh trinh)) cua cong cong dan ((nhan tai) OR (han tai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - ((hanh tranh) OR (hanh trinh)) cua cong cong dan ((nhan tai) or (han tai))".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - ((hanh tranh) OR (hanh trinh)) cua cong cong dan ((nhan tai) or (han tai))*.