Perhaps you should try some spelling variations:
kien thuoc » kien thuc, trien thuoc, kien truc
hoc chuyen » khong chuyen
bien thuoc » bien thuc, trien thuoc, kien thuc
sach khoa » bach khoa, sach nha, anh khoa
khoa phau » hoa phan, khoa kham, khoa than
phau dung » pham dung, phan dung, phan ung
sach tin » sach tien, sach kinh, sach tren
dung may » dung va, dung tai, mang may
tu sach » thu sach, su sach, te sach
tin hoc » sinh hoc
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 hoc chuyen đe ky thuat: ((kien thuoc) OR (bien thuoc)) sach khoa phau dung may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach tin hoc chuyen đe ky thuat: ((kien thuoc) OR (bien thuoc)) sach khoa phau dung may tinh".
• Adding a wildcard symbol may retrieve word variants: tu sach tin hoc chuyen đe ky thuat: ((kien thuoc) OR (bien thuoc)) sach khoa phau dung may tinh*.