Perhaps you should try some spelling variations:
nhuong cong » nhung cong, luong cong, duong cong
chieu sach » chinh sach, chiet tach, chieu sang
van nhuong » van chuong, van phuong, van huong
cong thanh » dong thanh, cong trinh, cong tan
thanh tran » thanh trang, thanh toan, thanh tra
hanh dang » hanh dong, anh dang, hanh dung
dang van » hoang van, hang va
tran cau » tran chau, toan cau, ran cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((dieu hanh) or (chieu sach)) - hanh dang van nhuong cong thanh tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((dieu hanh) OR (chieu sach)) - hanh dang van nhuong cong thanh tran cau.
• Adding a wildcard symbol may retrieve word variants: theo ((dieu hanh) or (chieu sach)) - hanh dang van nhuong cong thanh tran cau*.