Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
thuc bach » truc bach, thuc cach, thuoc sach
bach khoa » anh khoa
chan dung » van dung
sach tin » sach tien, sach kinh, sach tren
dan dung » van dung, tin dung, ap dung
vu sach » vu bach, su sach, vu khach
tin hoc » sinh hoc
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: vu sach tin hoc chuyen đe ky thuat: kien thuc bach khoa ((chan dung) OR (dan dung)) may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach tin hoc chuyen đe ky thuat: kien thuc bach khoa ((chan dung) OR (dan dung)) may tinh".
• Adding a wildcard symbol may retrieve word variants: vu sach tin hoc chuyen đe ky thuat: kien thuc bach khoa ((chan dung) OR (dan dung)) may tinh*.