Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
dung cong » dung trong
cac tinh » dac tinh, ha tinh, ban tinh
trung ap » trung cap, trung lap, trung tam
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan cao » toan ban, toan tap
ap dung » xay dung, van dung

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: hoc ((chieu sach) OR (((cac tinh) OR (cuu tinh)))) - hanh trung ap dung cong van toan cao~.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) or (((cac tinh) or (cuu tinh)))) - hanh trung ap dung cong van toan cao*.