Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
sach tien » sach tren, sach thieu
thuc bach » truc bach, thuc cach, thuoc sach
hay trinh » hanh trinh, may tinh, lap trinh
tien hoc » tin hoc, tien hoa, dien hoc
hoa phan » co phan
cung hay » cong hay, cung may, chung han
bo sach » co sach, hoc sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: bo sach tien hoc chuyen đe ky thuat: kien thuc bach ((hoa phan) OR (hoa dan)) cung hay trinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "bo sach tien hoc chuyen đe ky thuat: kien thuc bach ((hoa phan) OR (hoa dan)) cung hay trinh".
• Adding a wildcard symbol may retrieve word variants: bo sach tien hoc chuyen đe ky thuat: kien thuc bach ((hoa phan) OR (hoa dan)) cung hay trinh*.