Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
sach tren » sach tien, sach tranh
khoa phan » hoa phan, khoa than, khoa phau
phan dang » phan dau, phan cong, nhan dan
sach tin » sach tien, sach kinh, sach han
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
dang may » mang may, dang xay, dung 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 tin) OR (sach tren)) hoc chuyen đe ky thuat: kien thuc anh khoa phan dang may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach tin) OR (sach tren)) hoc chuyen đe ky thuat: kien thuc anh khoa phan dang may tinh".
• Adding a wildcard symbol may retrieve word variants: tu ((sach tin) OR (sach tren)) hoc chuyen đe ky thuat: kien thuc anh khoa phan dang may tinh*.