Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
tin khong » tinh khong, tien khong, thinh khong
thuc bach » truc bach, thuc cach, thuc hanh
sach tin » sach tien, sach kinh, sach tren
dung van » duong van, dung va, dang van
tu sach » thu sach, su sach, te sach
ap dung » xay dung, van dung
ha ap » han ap
minh » dinh

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 khong chuyen đe ky thuat: kien ((thuc bach) or (thuoc sach)) ha ap dung van minh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tin khong chuyen đe ky thuat: kien ((thuc bach) OR (thuoc sach)) ha ap dung van minh.
• Adding a wildcard symbol may retrieve word variants: tu sach tin khong chuyen đe ky thuat: kien ((thuc bach) or (thuoc sach)) ha ap dung van minh*.