Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
chieu xanh » chieu sach, chieu sang, chieu tinh
cua truong » cua trung, xuan truong, cac truong
thanh toan » thanh hoa, thanh san, tinh toan
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
hach toan » manh toan
tinh cua » trinh cua, sinh cua, tinh chat

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 chieu xanh - hanh tinh cua truong cong ((hach toan) OR (thanh toan)) cao~.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh tinh cua truong cong ((hach toan) or (thanh toan)) cao*.