Perhaps you should try some spelling variations:
phan xuong » phan cong
hoc chuyen » khong chuyen
sach tren » sach tien, sach tranh
thuc bach » truc bach, thuc cach, thuoc sach
bach khoa » anh khoa
khoa phan » hoa phan, khoa than, khoa phau
xuong may » cuong ma, xuong nau, duong ma
sach tin » sach tien, sach kinh, sach han
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: tu ((sach tin) OR (sach tren)) hoc chuyen đe ky thuat: kien thuc bach khoa phan xuong may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach tin) OR (sach tren)) hoc chuyen đe ky thuat: kien thuc bach khoa phan xuong may tinh".
• Adding a wildcard symbol may retrieve word variants: tu ((sach tin) OR (sach tren)) hoc chuyen đe ky thuat: kien thuc bach khoa phan xuong may tinh*.