Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
cong thanh » dong thanh, cong trinh, cong tan
hieu manh » chieu xanh, hieu nganh, dieu hanh
thanh hoa » thanh pho
va duong » van duong, va tuong, va huong
va dung » van dung, vat dung, va ung
hoa cao » hoc cao, hoa co, hoa cac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sach)) - thanh trung ((va dung) OR (va duong)) cong thanh hoa cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) or (chieu sach)) - thanh trung ((va dung) OR (va duong)) cong thanh hoa cao~".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu sach)) - thanh trung ((va dung) OR (va duong)) cong thanh hoa cao*.