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
doan dieu » nhan dieu, dang dieu, toan dien
tong tap » tuong tac, trong tan, cong tac
cong tan » cong tac, cong san, cong thanh

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