Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
phan xuong » phan cong
sach tien » sach tren, sach thieu
canh khoa » anh khoa, xanh khoa, doanh khoa
khoa phan » hoa phan, khoa than, khoa phau
xuong may » cuong ma, xuong nau, duong ma
sach tin » sach kinh, sach tren, sach han
kien thu » kien thuc, kieu thu, kiem thu
thu canh » thuc hanh, thu cong, thu ban
may minh » may tinh, mai minh, van 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 tien)) hoc chuyen đe ky thuat: kien thu canh khoa phan xuong may minh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach tin) OR (sach tien)) hoc chuyen đe ky thuat: kien thu canh khoa phan xuong may minh".
• Adding a wildcard symbol may retrieve word variants: tu ((sach tin) OR (sach tien)) hoc chuyen đe ky thuat: kien thu canh khoa phan xuong may minh*.