Perhaps you should try some spelling variations:
kien thuoc » kien thuc, bien thuoc, trien thuoc
hoc chuyen » khong chuyen
phan dang » phan dau, phan cong, nhan dan
sach tin » sach tien, sach kinh, sach tren
sach hoa » sach ha, bach hoa, cach hoan
sach hoi » sach doi, sach moi, cach thoi
dang may » mang may, dang xay, dung may
su sach » so sach, vu 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: su sach tin hoc chuyen đe ky thuat: kien thuoc ((sach hoa) OR (sach hoi)) phan dang may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach tin hoc chuyen đe ky thuat: kien thuoc ((sach hoa) OR (sach hoi)) phan dang may tinh".
• Adding a wildcard symbol may retrieve word variants: su sach tin hoc chuyen đe ky thuat: kien thuoc ((sach hoa) OR (sach hoi)) phan dang may tinh*.