Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
hanh dung » thanh dung, anh dung, hanh dong
cua thong » cua thuong, cua khong, cua tong
chu sach » cau sach, thu sach, chuc hach
dung cua » dung luan, dung cho
cong san » cong tac
toan ban » van 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: theo ((chu sach) OR (chieu sach)) - hanh dung cua thong cong san ((toan tap) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu sach) OR (chieu sach)) - hanh dung cua thong cong san ((toan tap) or (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: theo ((chu sach) OR (chieu sach)) - hanh dung cua thong cong san ((toan tap) or (toan ban))*.