Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
thuc cach » thuoc sach, truoc cach, thuc hanh
cach toan » hach toan, cach hoan, hoach toan
toan phan » thanh phan, toan ban, hoa phan
phan cong » thanh cong
sach tin » sach tien, sach tren, sach han
cong may » cong xay, cong ma, cong hay
may minh » may tinh, mai minh, van minh

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach tin) OR (sach kinh)) hoc chuyen đe ky thuat: kien thuc cach toan phan cong may minh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach tin) OR (sach kinh)) hoc chuyen đe ky thuat: kien thuc cach toan phan cong may minh".
• Adding a wildcard symbol may retrieve word variants: tu ((sach tin) OR (sach kinh)) hoc chuyen đe ky thuat: kien thuc cach toan phan cong may minh*.