Perhaps you should try some spelling variations:
trien thuoc » trien thuc, trien thuong, tin thuoc
hoa chuyen » khoa chuyen, hoc chuyen, hoa huyen
thuoc bach » thuoc sach, thuoc ban, truc bach
sach tien » sach tren, sach thieu
may trinh » lap trinh, quy trinh, tao trinh
tien hoa » dien hoa, trien hoat, tien va
bach hoa » bach khoa, bach ha, cach hoan
tan cong » tan cuong, tran cong, toan cong
tu sach » thu sach, su sach, te sach
hoa tan » hoa dan, hoa van, hoa tin
tinh » dinh, minh, kinh

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 tien hoa chuyen đe ky thuat: trien thuoc bach hoa tan cong ((may trinh) or (may tinh))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tien hoa chuyen đe ky thuat: trien thuoc bach hoa tan cong ((may trinh) OR (may tinh)).
• Adding a wildcard symbol may retrieve word variants: tu sach tien hoa chuyen đe ky thuat: trien thuoc bach hoa tan cong ((may trinh) or (may tinh))*.