Perhaps you should try some spelling variations:
hoc chuyen » khong chuyen
sach tren » sach tien, sach tranh
khoa phan » hoa phan, khoa than, khoa phau
phan cung » phan cong, phan ung, phan xuong
quy trinh » qua trinh, quy dinh
sach han » sach tham, sach danh, sach nang
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
cung quy » cong quy, dung quy, nhung quy

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 han) or (sach tren)) hoc chuyen đe ky thuat: kien thuc anh khoa phan cung quy trinh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach han) OR (sach tren)) hoc chuyen đe ky thuat: kien thuc anh khoa phan cung quy trinh.
• Adding a wildcard symbol may retrieve word variants: tu ((sach han) or (sach tren)) hoc chuyen đe ky thuat: kien thuc anh khoa phan cung quy trinh*.