Perhaps you should try some spelling variations:
thuc thanh » thuoc thanh, thuc hanh, phuc thanh
hoc chuyen » khong chuyen
thanh hoa » thanh pho
phan dung » phan ung, phan dang, chan dung
sach tin » sach tien, sach tren, sach han
hoa phan » hoa dan, co phan
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: te ((sach tin) or (sach kinh)) hoc chuyen đe ky thuat: kien thuc thanh hoa phan dung may tinh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach tin) OR (sach kinh)) hoc chuyen đe ky thuat: kien thuc thanh hoa phan dung may tinh.
• Adding a wildcard symbol may retrieve word variants: te ((sach tin) or (sach kinh)) hoc chuyen đe ky thuat: kien thuc thanh hoa phan dung may tinh*.