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 tien » sach tren, sach thieu
tien hoc » tin hoc, tien hoa, dien hoc
dang tay » dang xay, dung tay, dan tay
tay tinh » may tinh, tay binh, thuy tinh
so sach » so sanh, bo sach, co 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: so sach tien hoc chuyen đe ky thuat: trien thuoc bach ((ha dan) or (hoa dan)) dang tay tinh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach tien hoc chuyen đe ky thuat: trien thuoc bach ((ha dan) OR (hoa dan)) dang tay tinh.
• Adding a wildcard symbol may retrieve word variants: so sach tien hoc chuyen đe ky thuat: trien thuoc bach ((ha dan) or (hoa dan)) dang tay tinh*.