Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
hoan chinh » hanh chinh
trung tuan » trung thanh, trung tam, tran tuan
tuan thong » toan thong, tran thong, tuan phong
thong cong » trong cong, tong cong, thong thong
hoa hinh » hoa sinh, hoa binh, mo hinh
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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) or (hoa hinh)) sach - hanh trung tuan thong cong ((dan toan) OR (dan than)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoan chinh) OR (hoa hinh)) sach - hanh trung tuan thong cong ((dan toan) OR (dan than)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoan chinh) or (hoa hinh)) sach - hanh trung tuan thong cong ((dan toan) OR (dan than)) tap".
• Adding a wildcard symbol may retrieve word variants: ((hoan chinh) or (hoa hinh)) sach - hanh trung tuan thong cong ((dan toan) OR (dan than)) tap*.