Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hieu quang » thieu quang, hieu quan, hieu qua
hanh trung » thanh trung, hanh trang, manh trung
trung cua » truong cua, trung tuan, trung cap
cua trong » cua truong, cua trung, qua trong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap
tinh » trinh, dinh, minh

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 (((cuu tinh) OR (hieu quang)))) - hanh trung cua trong cong tac toan cau~.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (((cuu tinh) or (hieu quang)))) - hanh trung cua trong cong tac toan cau*.