Perhaps you should try some spelling variations:
quy trinh » qua trinh, quy dinh
sach tien » sach tren, sach thieu
may trinh » may tinh, lap trinh, tao trinh
phan cong » thanh cong
khoa phan » hoa phan, khoa than, khoa phau
sach khoa » bach khoa, sach nha, anh khoa
nuoc sach » nguoi sach, hoc sach, cuoc cach
bien nuoc » bien duoc, bien thuoc, gieng nuoc
hoa huyen » hoi huyen, hoa truyen, hong huyen
tien hoa » dien hoa, trien hoat, tien va
te sach » toc sach

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 tien hoa huyen đe ky thuat: bien nuoc sach khoa phan cong ((may trinh) or (quy trinh))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tien hoa huyen đe ky thuat: bien nuoc sach khoa phan cong ((may trinh) OR (quy trinh)).
• Adding a wildcard symbol may retrieve word variants: te sach tien hoa huyen đe ky thuat: bien nuoc sach khoa phan cong ((may trinh) or (quy trinh))*.