Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
thanh chau » thanh cha, thanh cham, thanh chu
hieu xanh » chieu xanh, hieu manh, hieu nganh
tuan tong » toan tong, thuan trong, toan thong
doc hieu » toc thieu, hoc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
cong tac » cong ty
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 - thanh trung tuan tong ((cong dan) or (cong tac)) ((thanh chau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - thanh trung tuan tong ((cong dan) OR (cong tac)) ((thanh chau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - thanh trung tuan tong ((cong dan) or (cong tac)) ((thanh chau) or (phan cau))*.