Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh hung » thanh huong, thanh tung, thanh trung
hieu manh » chieu xanh, hieu nganh, dieu hanh
cong bang » cuong bang, dong bang, hong bang
bang khan » bang nhan, bang thanh, dang khanh
va trong » va truong, va thong, va tuong
khan cap » khan ap, than cap, khoan cam
hung va » huong va, hung van, hang va

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 hung va trong cong bang khan cap~.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu sach)) - thanh hung va trong cong bang khan cap*.