Perhaps you should try some spelling variations:
ncanh tranh » nhanh thanh, can tranh, nganh thanh
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
tong cong » trong cong, cong cong, dung cong
qua tong » qua trong, qua song, qua cong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, 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 - ((canh tranh) or (ncanh tranh)) qua tong cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - ((canh tranh) OR (ncanh tranh)) qua tong cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - ((canh tranh) or (ncanh tranh)) qua tong cong dan than cau*.