Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
hoan chinh » hanh chinh, hoa hinh
thanh tung » thanh cong
hanh tang » hanh trang, anh tang, hanh mang
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
tran cau » tran chau, toan cau, ran cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoan chinh sach - ((hanh tang) or (thanh tung)) luat thuong cong tac tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoan chinh sach - ((hanh tang) OR (thanh tung)) luat thuong cong tac tran cau.
• Adding a wildcard symbol may retrieve word variants: hoan chinh sach - ((hanh tang) or (thanh tung)) luat thuong cong tac tran cau*.