Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
canh manh » canh tranh, cach mang, van manh
lanh manh » lanh tranh, lan anh, van manh
qua dung » quang dung, su dung, qua song
cua dong » chua dong, cua cong, cua dang
cong can » cong san, cong tan, cong dan
can chan » dan chan, cam chan, ban chan
chan tu » phan tu, han tu, chon tu

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 manh) or (lanh manh)) ((qua dung) or (cua dong)) cong can chan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - ((canh manh) OR (lanh manh)) ((qua dung) OR (cua dong)) cong can chan tu.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - ((canh manh) or (lanh manh)) ((qua dung) or (cua dong)) cong can chan tu*.