Perhaps you should try some spelling variations:
trien thuoc » trien thuc, trien thuong, tin thuoc
hoc chuyen » khong chuyen
thuoc bach » thuoc sach, thuoc ban, truc bach
sach tren » sach tien, sach tranh
tren hoc » truyen hoc, trung hoc, triet hoc
dung tay » dung tai, dung may, vung tay
tay tinh » may tinh, tay binh, thuy tinh
su sach » so sach, vu sach
ha dan » hat dan, ha dang, hai dan

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 tren hoc chuyen đe ky thuat: trien thuoc bach ((ha dan) or (hoa dan)) dung tay tinh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach tren hoc chuyen đe ky thuat: trien thuoc bach ((ha dan) OR (hoa dan)) dung tay tinh.
• Adding a wildcard symbol may retrieve word variants: su sach tren hoc chuyen đe ky thuat: trien thuoc bach ((ha dan) or (hoa dan)) dung tay tinh*.