Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
thuc cach » thuoc sach, truoc cach, thuc hanh
khoa phan » hoa phan, khoa phau, khoan phai
khoa than » khoa luan, hoa thai, hoa tan
sach tin » sach tien, sach kinh, sach tren
tu sach » thu sach, su sach, te sach
tin hoc » sinh hoc
ty tinh » tay tinh, ly tinh, tu tinh

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 ((khoa phan) or (khoa than)) cong ty tinh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tin hoc chuyen đe ky thuat: kien thuc cach ((khoa phan) OR (khoa than)) cong ty tinh.
• Adding a wildcard symbol may retrieve word variants: tu sach tin hoc chuyen đe ky thuat: kien thuc cach ((khoa phan) or (khoa than)) cong ty tinh*.