Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
thuc bach » truc bach, thuc cach, thuoc sach
bach khoa » anh khoa
khoa phan » hoa phan, khoa than, khoa phau
phan cung » phan cong, phan ung, phan xuong
sach tin » sach tien, sach kinh, sach tren
cung may » dung may, cong may, cung hay
vu sach » vu bach, su sach, vu khach
tin hoc » sinh hoc
tinh » trinh, kinh

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 phan cung may ((tinh OR minh) or dinh)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach tin hoc chuyen đe ky thuat: kien thuc bach khoa phan cung may ((tinh OR minh) OR dinh).
• 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 phan cung may ((tinh OR minh) or dinh)".
• Adding a wildcard symbol may retrieve word variants: vu sach tin hoc chuyen đe ky thuat: kien thuc bach khoa phan cung may ((tinh OR minh) or dinh)*.