Perhaps you should try some spelling variations:
hien khanh » hien hanh, hien nhanh, dien khanh
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
khong cong » thong cong, khong cang, chong cong
trung cua » truong cua, trung tuan, trung cap
cua khong » hua khong, cua phuong, cua thuong
cong bang » cuong bang, dong bang, hong bang
thanh mau » hanh mau, thanh san, thanh hai
thanh ca » thanh cha, thanh cac, thanh ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien khanh) or (chieu sach)) - hanh trung cua khong cong bang ((thanh ca) or (thanh mau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien khanh) OR (chieu sach)) - hanh trung cua khong cong bang ((thanh ca) OR (thanh mau))*.