Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
thuc cach » thuoc sach, truoc cach, thuc hanh
thu sach » thuat sach, thuoc sach, thu hoach
cach hoa » cach hoan, cach hoc, bach hoa
ban dung » van dung, dan dung, tan dung
dung may » dung va, dung tai, mang may
tu sach » su sach, te sach, tu cach
hoa ban » hoa dan, hoa van, hoa han
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: ((thu sach) or (tu sach)) sinh hoc chuyen đe ky thuat: kien thuc cach hoa ban dung may tinh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (tu sach)) sinh hoc chuyen đe ky thuat: kien thuc cach hoa ban dung may tinh.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (tu sach)) sinh hoc chuyen đe ky thuat: kien thuc cach hoa ban dung may tinh*.