Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
cach toan » cach hoan, hoach toan, manh toan
hach toan » thanh toan, manh toan
phan cong » thanh cong
sach tin » sach tien, sach kinh, sach tren
cong may » cong xay, cong ma, cong hay
may minh » may tinh, mai minh, van minh
tu sach » thu sach, su sach, te sach
tin hoc » sinh hoc

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