Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu manh » hieu nganh, dieu hanh, hien hanh
tranh cua » doanh cua, manh cua
phan cong » thanh cong
ban cong » bang cong, van cong, ban huong
toan tap » toan 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 ((hieu manh) OR (chieu xanh)) - hanh tranh cua ((ban cong) OR (phan cong)) tinh toan tap~.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu xanh)) - hanh tranh cua ((ban cong) or (phan cong)) tinh toan tap*.