Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
tong huong » thong huong, tong thuong, cong huong
hieu manh » hieu nganh, dieu hanh, hien hanh
luan tong » luan tuong, luan cong, luan dong
anh dung » anh dong, anh huong, sach dung
dan toan » van toan, dan than, manh toan
toan ban » van ban

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) or (hieu manh)) - anh dung luan tong huong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (hieu manh)) - anh dung luan tong huong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (hieu manh)) - anh dung luan tong huong dan toan ban*.