Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
thuoc sach » hoc sach, nuoc sach, thuat sach
thuc bach » truc bach, thuc cach, thuc hanh
sach tin » sach tien, sach kinh, sach tren
dan dung » van dung, tin dung, ap dung
dung may » dung va, dung tai, mang may
may minh » may tinh, mai minh, van minh
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 bach) or (thuoc sach)) hoa dan dung may minh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tin hoc chuyen đe ky thuat: kien ((thuc bach) OR (thuoc sach)) hoa dan dung may minh.
• Adding a wildcard symbol may retrieve word variants: tu sach tin hoc chuyen đe ky thuat: kien ((thuc bach) or (thuoc sach)) hoa dan dung may minh*.