Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
sach tren » sach tien, sach tranh
kien thuy » kien thuc, vien thuy, kien truc
khoa phan » hoa phan, khoa than, khoa phau
phan dung » phan ung, phan dang, chan dung
sach tin » sach tien, sach kinh, sach han
thuy anh » thuy linh
anh khoa » doanh khoa, hang khoa
dung may » dung va, dung tai, mang may
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) or (sach tren)) hoc chuyen đe ky thuat: kien thuy anh khoa phan dung may tinh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach tin) OR (sach tren)) hoc chuyen đe ky thuat: kien thuy anh khoa phan dung may tinh.
• Adding a wildcard symbol may retrieve word variants: tu ((sach tin) or (sach tren)) hoc chuyen đe ky thuat: kien thuy anh khoa phan dung may tinh*.