Perhaps you should try some spelling variations:
nhanh lang » nhanh quang, nhanh thang, nhan dang
tieu tinh » trieu tinh, tieu trinh, lieu tinh
hanh mang » nhanh mang, hanh trang, thanh hang
dong cong » duong cong, dung cong, dang cong
manh toan » thanh toan, anh tuan, tinh toan
cua dong » chua dong, cua cong, cua dang
dan toan » van toan, dan than, xuan 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 tieu tinh - ((hanh mang) OR (nhanh lang)) cua dong cong ((dan toan) OR (manh toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu tinh - ((hanh mang) or (nhanh lang)) cua dong cong ((dan toan) OR (manh toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - ((hanh mang) or (nhanh lang)) cua dong cong ((dan toan) OR (manh toan)) cau*.