Perhaps you should try some spelling variations:
thuc bach » truc bach, thuc cach, thuoc sach
bach khoa » anh khoa
khoa than » khoa luan, hoa thai, hoa tan
than cong » thanh cong, thuan cong, phan cong
sach tin » sach tien, sach kinh, sach tren
cong may » cong xay, cong ma, cong hay
te sach » toc sach
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: te sach tin ((hoc chuyen) OR (khong chuyen)) đe ky thuat: kien thuc bach khoa than cong may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tin ((hoc chuyen) OR (khong chuyen)) đe ky thuat: kien thuc bach khoa than cong may tinh".
• Adding a wildcard symbol may retrieve word variants: te sach tin ((hoc chuyen) OR (khong chuyen)) đe ky thuat: kien thuc bach khoa than cong may tinh*.