Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hien nhanh » hien hanh, thien thanh, tien thanh
thuc chung » thuc cung, thuc nhung, thung chung
chung cong » nhung cong, chong cong, phung cong
toan thuc » toan hoc, dan thuc, nhan thuc
cong toan » cong tan, cong hoan, cong tuan
toan phan » thanh phan, toan ban, hoa phan
phan cac » nhan cach, phan dau, phan lap

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) or (hien nhanh)) - tinh toan thuc chung cong toan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sach) OR (hien nhanh)) - tinh toan thuc chung cong toan phan cac.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) or (hien nhanh)) - tinh toan thuc chung cong toan phan cac*.