Perhaps you should try some spelling variations:
toan thuong » toan thong, ton thuong, than thuong
thanh trung » thanh tung
thuong cong » thong cong, thuong con, thuong dong
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
cong tan » cong tac, cong san, cong thanh
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 thuong cong tan ((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 thuong cong tan ((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 thuong cong tan ((thanh chau) or (phan cau))*".