Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
kien cuoc » chien cuoc, kien cuong, dien cuc
cach khoa » bach khoa, cac khoa, cac khoan
sach tin » sach tien, sach kinh, sach tren
khoa dan » khoa dang, hoa dan, khoa can
dan dung » van dung, tin dung, ap dung
dung may » dung va, dung tai, mang may
tu sach » thu sach, su sach, te sach
tin hoc » sinh hoc
tinh* » dinh*, minh*, kinh*

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 cuoc cach khoa dan dung may (tinh* OR trinh*)~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach tin hoc chuyen đe ky thuat: kien cuoc cach khoa dan dung may (tinh* OR trinh*)".
• Adding a wildcard symbol may retrieve word variants: tu sach tin hoc chuyen đe ky thuat: kien cuoc cach khoa dan dung may (tinh* OR trinh*)*.