Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
tranh cua » doanh cua, manh cua
dung cong » dung trong
cong vang » cong lang, cong quang, cong ngang
vang hanh » van hanh, dang hanh, nang hanh
cua dung » cua dang, cua dong, qua dung
hanh cap » hanh cac, hanh cat, hanh cad

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: hoc ((thieu xanh) OR (chieu xanh)) - canh tranh cua dung cong vang hanh cap~.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chieu xanh)) - canh tranh cua dung cong vang hanh cap*.