Perhaps you should try some spelling variations:
sach triet » sach thieu, sach tien, sach tren
hoc chuyen » khong chuyen
kien thuoc » kien thuc, bien thuoc, trien thuoc
thuoc sach » hoc sach, nuoc sach, thuat sach
sach hoa » sach ha, sach hoi, bach hoa
hoa phan » hoa dan, co phan
phan dan » phan dang, phan dau, nhan dan
vu sach » vu bach, su sach, vu khach
dan may » dam may, dan tay, dat may

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach triet hoc chuyen đe ky thuat: kien thuoc sach hoa phan dan may (kinh or trinh)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach triet hoc chuyen đe ky thuat: kien thuoc sach hoa phan dan may (kinh OR trinh).
• Adding a wildcard symbol may retrieve word variants: vu sach triet hoc chuyen đe ky thuat: kien thuoc sach hoa phan dan may (kinh or trinh)*.