Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
theo chieu » theo tieu, ho chieu, thi chieu
dung dong » dung cong, vung dong, dung trong
theo chu » cho chu, chao chu, theo yeu
qua dung » quang dung, su dung, qua song
dong san » cong san, dong bang, dong von
san toan » van toan, dan toan, 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: ((theo chieu) or (theo chu)) xanh - ((hanh trinh) or (canh tranh)) qua dung dong san toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) xanh - ((hanh trinh) OR (canh tranh)) qua dung dong san toan tap.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo chu)) xanh - ((hanh trinh) or (canh tranh)) qua dung dong san toan tap*.