Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
sach tren » sach tien, sach tranh
ban thuoc » dang thuoc, cay thuoc, nam thuoc
tren hoc » truyen hoc, trung hoc, triet hoc
bach hai » bach mai, bach ha, bac dai
hai phan » thai phan, tai phan, hai pham
phan dau » phan tu, hang dau
so sach » so sanh, bo sach, co sach
dau lap » dan lap, dau luan, dau lanh
thuc » thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach tren hoc chuyen đe ky thuat: ((kien thuc) or (ban thuoc)) bach hai phan dau lap trinh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach tren hoc chuyen đe ky thuat: ((kien thuc) OR (ban thuoc)) bach hai phan dau lap trinh.
• Adding a wildcard symbol may retrieve word variants: so sach tren hoc chuyen đe ky thuat: ((kien thuc) or (ban thuoc)) bach hai phan dau lap trinh*.