Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
tranh cua » doanh cua, manh cua
dang cong » dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
cua dang » cua cong, cua ban
cong can » cong san, cong tan, cong dan
chon tu » con tu, cho tu, choi tu
han tu » phan tu, hanh tu, ban tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - canh tranh cua dang cong can ((chon tu) OR (han tu))~.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh tranh cua dang cong can ((chon tu) or (han tu))*.