Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
thanh chau » thanh cha, thanh cham, thanh chu
thanh hai » thanh phan, thanh hoa, thanh san
hien anh » hien hanh, thien anh, dien anh
va thong » va thuong, va phuong, he thong
cong dan » cong san, cong tan, huong dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien anh - ((hanh chinh) or (canh tranh)) va thong cong dan ((thanh chau) or (thanh hai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien anh - ((hanh chinh) OR (canh tranh)) va thong cong dan ((thanh chau) OR (thanh hai)).
• Adding a wildcard symbol may retrieve word variants: hoc hien anh - ((hanh chinh) or (canh tranh)) va thong cong dan ((thanh chau) or (thanh hai))*.