Perhaps you should try some spelling variations:
sach triet » sach thieu, sach tien, sach tren
hoc chuyen » khong chuyen
hang khoa » dung khoa
khoa phan » hoa phan, khoa than, khoa phau
kien thu » kien thuc, kiem thu, tien thu
kieu thu » tieu thu, kien thuc
phan ung » phan xuong, phan cong
tu sach » thu sach, su sach, te sach
ung may » dung may, cung may, mang 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 triet hoc chuyen đe ky thuat: ((kien thu) OR (kieu thu)) hang khoa phan ung may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach triet hoc chuyen đe ky thuat: ((kien thu) OR (kieu thu)) hang khoa phan ung may tinh".
• Adding a wildcard symbol may retrieve word variants: tu sach triet hoc chuyen đe ky thuat: ((kien thu) OR (kieu thu)) hang khoa phan ung may tinh*.