Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
hanh nang » ganh nang, hanh mang, hanh trang
cua nhung » va nhung
anh nang » ganh nang, anh bang, anh dang
tan toan » tap toan, van toan, dan toan

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 nang) OR (anh nang)) cua nhung cong ((tan toan) OR (tan tran)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - ((hanh nang) or (anh nang)) cua nhung cong ((tan toan) OR (tan tran)) cau~".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - ((hanh nang) or (anh nang)) cua nhung cong ((tan toan) OR (tan tran)) cau*.