Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
trung cong » truong cong, trong cong, trung uong
hieu xanh » hieu manh, hieu nganh, dieu hanh
trung cua » truong cua, trung tuan, trung cap
cua trung » cua truong, xuan trung, cua nhung
cong bang » cuong bang, dong bang, hong bang
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 trung cua trung 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 trung cua trung cong bang ((hanh cap) OR (than cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) OR (chieu xanh)) - thanh trung cua trung cong bang ((hanh cap) or (than cap))".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) OR (chieu xanh)) - thanh trung cua trung cong bang ((hanh cap) or (than cap))*.