Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
thuong cong » thong cong, thuong con, thuong dong
chieu sang » chieu sach, chieu xanh, hieu lang
tuong va » truong va, thuong va, luong va
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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 ((dieu hanh) OR (chieu sang)) - thanh tuong va thuong cong dan chan cau~.
• Adding a wildcard symbol may retrieve word variants: ho ((dieu hanh) or (chieu sang)) - thanh tuong va thuong cong dan chan cau*.