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 trinh, hanh trang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
chat cao » chat cho, chat bao, chat cam
chat co » thuat co, chat cua, chat deo

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