Perhaps you should try some spelling variations:
sach triet » sach thieu, sach tien, sach tren
hoc chuyen » khong chuyen
bien thuoc » bien thuc, trien thuoc, kien thuc
sach hoan » sach han, cach hoan, sach ha
hach toan » thanh toan, manh toan
phan dang » phan dau, phan cong, nhan dan
may trinh » may tinh, lap trinh, quy trinh
dang may » mang may, dang xay, dung may
su sach » so sach, vu sach

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 triet hoc chuyen đe ky thuat: bien thuoc ((sach hoan) OR (hach toan)) phan dang may trinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach triet hoc chuyen đe ky thuat: bien thuoc ((sach hoan) OR (hach toan)) phan dang may trinh".
• Adding a wildcard symbol may retrieve word variants: su sach triet hoc chuyen đe ky thuat: bien thuoc ((sach hoan) OR (hach toan)) phan dang may trinh*.