Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cac » trinh cac, thanh cac, tranh cai
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
toan ban » van ban

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 - hanh tranh cac truong cong dan ((toan tap) OR (toan ban))~.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh tranh cac truong cong dan ((toan tap) or (toan ban))*.