Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
sach tien » sach tren, sach thieu
thuc bach » truc bach, thuc cach, thuoc sach
tien hoc » tin hoc, tien hoa, dien hoc
kco phan » cho phan, so phan, do phan
dung may » dung va, dung tai, mang may
tu sach » thu sach, su sach, te sach
tinh » trinh, dinh, 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 tien hoc chuyen đe ky thuat: kien thuc bach ((kco phan) or (co phan)) dung may tinh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tien hoc chuyen đe ky thuat: kien thuc bach ((kco phan) OR (co phan)) dung may tinh.
• Adding a wildcard symbol may retrieve word variants: tu sach tien hoc chuyen đe ky thuat: kien thuc bach ((kco phan) or (co phan)) dung may tinh*.