Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
thuc cach » thuoc sach, truoc cach, thuc hanh
phan cung » phan cong, phan ung, phan xuong
sach tin » sach tien, sach kinh, sach tren
cach hoa » cach hoan, cach hoc, bach hoa
hoa phan » hoa dan, co phan
cung may » dung may, cong may, cung hay
tu sach » thu sach, su sach, te sach
tin hoc » sinh hoc
tinh » minh, kinh

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