Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
thuc cach » thuoc sach, truoc cach, thuc hanh
khoa than » khoa luan, hoa thai, hoa tan
sach tin » sach tien, sach kinh, sach tren
hoa phan » hoa dan, co phan
cong tay » cong ty, cong tac, cong tan
tay tinh » may tinh, tay binh, thuy tinh
tu sach » thu sach, su sach, te sach
tin hoc » sinh hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach tin hoc chuyen đe ky thuat: kien thuc cach ((hoa phan) or (khoa than)) cong tay tinh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tin hoc chuyen đe ky thuat: kien thuc cach ((hoa phan) OR (khoa than)) cong tay tinh.
• Adding a wildcard symbol may retrieve word variants: tu sach tin hoc chuyen đe ky thuat: kien thuc cach ((hoa phan) or (khoa than)) cong tay tinh*.