Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
thong cong » trong cong, tong cong, thong thong
trung cap » truong cao, trung tam
tang cua » mang cua, hang cua, tang luan
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan ban

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 ((chieu sach) OR (chieu sang)) - hanh ((trung cap) OR (tang cua)) thong cong tac toan tap~.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu sang)) - hanh ((trung cap) or (tang cua)) thong cong tac toan tap*.