Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua dong » chua dong, cua cong, cua dang
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
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 sang - hanh tranh cua dong ((cong dan) OR (cong tan)) than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sang - hanh tranh cua dong ((cong dan) OR (cong tan)) than cao".
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - hanh tranh cua dong ((cong dan) OR (cong tan)) than cao*.