Perhaps you should try some spelling variations:
ncanh tranh » nhanh thanh, can tranh, nganh thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
cua thong » cua thuong, cua khong, cua tong
thong dan » thong van, tuong dan, thong den
ho chieu » theo chieu, hoc thieu, doi chieu
dan toan » van toan, dan than, manh toan
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - ((canh tranh) or (ncanh tranh)) cua thong thong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((canh tranh) OR (ncanh tranh)) cua thong thong dan toan tap.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((canh tranh) or (ncanh tranh)) cua thong thong dan toan tap*.