Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
sach tren » sach tien, sach tranh
phan cung » phan cong, phan ung, phan xuong
sach tin » sach tien, sach kinh, sach han
hanh hoa » thanh hoa, khanh hoa, hang hoa
hoa phan » hoa dan, co phan
cung may » dung may, cong may, cung hay
thuc » thu
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: te ((sach tin) OR (sach tren)) hoc chuyen đe ky thuat: kien thuc hanh hoa phan cung may tinh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach tin) OR (sach tren)) hoc chuyen đe ky thuat: kien thuc hanh hoa phan cung may tinh".
• Adding a wildcard symbol may retrieve word variants: te ((sach tin) OR (sach tren)) hoc chuyen đe ky thuat: kien thuc hanh hoa phan cung may tinh*.