Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
sach tien » sach thieu
sach tren » sach tranh
dung khoa » dung cho
khoa phan » hoa phan, khoa than, khoa phau
phan dung » phan ung, phan dang, chan dung
kien thu » kien thuc, kieu thu, kiem thu
thu dung » thuy dung, thuc dung, thu dang
dung may » dung va, dung tai, mang may
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) OR (sach tren)) hoc chuyen đe ky thuat: kien thu dung khoa phan dung may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach tien) OR (sach tren)) hoc chuyen đe ky thuat: kien thu dung khoa phan dung may tinh".
• Adding a wildcard symbol may retrieve word variants: tu ((sach tien) OR (sach tren)) hoc chuyen đe ky thuat: kien thu dung khoa phan dung may tinh*.