Perhaps you should try some spelling variations:
phan xuong » phan cong
hoc chuyen » khong chuyen
canh khoa » anh khoa, xanh khoa, doanh khoa
khoa phan » hoa phan, khoa than, khoa phau
sach tin » sach tien, sach kinh, sach tren
kien thu » kien thuc, kieu thu, kiem thu
thu canh » thuc hanh, thu cong, thu ban
may minh » mai minh, van minh, cao minh
tu sach » thu sach, su sach, te sach
tin hoc » sinh hoc
tinh » trinh, dinh, kinh

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 hoc chuyen đe ky thuat: kien thu canh khoa phan xuong ((may minh) OR (may tinh))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach tin hoc chuyen đe ky thuat: kien thu canh khoa phan xuong ((may minh) OR (may tinh))".
• Adding a wildcard symbol may retrieve word variants: tu sach tin hoc chuyen đe ky thuat: kien thu canh khoa phan xuong ((may minh) OR (may tinh))*.