Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
manh toan » thanh toan, anh tuan, tinh toan
ban nong » ban cong, ban nang, ban tong
van toan » van tuan, van tan, van thanh
van quan » 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: theo chieu xanh - hanh tranh cua ban nong ((manh toan) OR (((van toan) OR (van quan)))) cao~.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh tranh cua ban nong ((manh toan) or (((van toan) or (van quan)))) cao*.