Perhaps you should try some spelling variations:
sach tien » sach tren, sach thieu
thuc bach » truc bach, thuc cach, thuoc sach
bach khoa » anh khoa
khoa phau » hoa phan, khoa kham, khoa than
phau cung » phan cung, pha cung, phap cung
sach tin » sach kinh, sach tren, sach han
cung may » dung may, cong may, cung hay
tinh » trinh, dinh, minh

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) OR (sach tien)) khong chuyen đe ky thuat: kien thuc bach khoa phau cung may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach tin) OR (sach tien)) khong chuyen đe ky thuat: kien thuc bach khoa phau cung may tinh".
• Adding a wildcard symbol may retrieve word variants: tu ((sach tin) OR (sach tien)) khong chuyen đe ky thuat: kien thuc bach khoa phau cung may tinh*.