Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hoc chieu » hoc thieu, ho chieu, hoc hien
dung cong » dung trong
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
mang cua » dung cua, ban cua, cong cua
manh cua » doanh cua, ban cua
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - hanh ((mang cua) or (manh cua)) dung cong hach toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh ((mang cua) OR (manh cua)) dung cong hach toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh ((mang cua) or (manh cua)) dung cong hach toan tap*.