Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » hanh chinh
cao tang » cao dang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan ban
va nang » van nang, da nang, cam nang

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 (hanh trinh)) ((va nang) or (cao tang)) cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - ((canh tranh) OR (hanh trinh)) ((va nang) OR (cao tang)) cong dan toan tap.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - ((canh tranh) or (hanh trinh)) ((va nang) or (cao tang)) cong dan toan tap*.