Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
thuc cach » thuoc sach, truoc cach, thuc hanh
cach khoa » bach khoa, cac khoa, cac khoan
phan cong » thanh cong
sach tin » sach tien, sach kinh, sach tren
phan ung » phan xuong
tu sach » thu sach, su sach, te sach
tin hoc » sinh hoc
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 hoc chuyen đe ky thuat: kien thuc cach khoa ((phan cong) or (phan ung)) may 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 cong) OR (phan ung)) may tinh.
• Adding a wildcard symbol may retrieve word variants: tu sach tin hoc chuyen đe ky thuat: kien thuc cach khoa ((phan cong) or (phan ung)) may tinh*.