Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
trung toan » truong toan, trung tuan, trung tran
thanh chau » thanh cha, thanh cham, thanh chu
hieu xanh » hieu manh, hieu nganh, dieu hanh
toan tong » toan thong, toan trong, toan cong
tong cong » trong cong, cong cong, dung cong
cong dan » cong san, cong tan, huong dan
phan cau » phan dau, phan cac, phan tu

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 toan tong cong dan ((thanh chau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (chieu xanh)) - thanh trung toan tong cong dan ((thanh chau) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) OR (chieu xanh)) - thanh trung toan tong cong dan ((thanh chau) or (phan cau))".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) OR (chieu xanh)) - thanh trung toan tong cong dan ((thanh chau) or (phan cau))*.