Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
cua truong » cua trung, xuan truong, cac truong
hieu xanh » hieu manh, hieu nganh, dieu hanh
cong bang » cuong bang, dong bang, hong bang
tung cua » trung cua, tuong cua, dung cua
hanh cap » hanh cac, hanh cat, hanh cad
than cap » khan cap, thanh lap, thanh cac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu xanh) or (chieu xanh)) - thanh tung cua truong cong bang ((hanh cap) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (chieu xanh)) - thanh tung cua truong cong bang ((hanh cap) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) or (chieu xanh)) - thanh tung cua truong cong bang ((hanh cap) or (than cap))*.