Perhaps you should try some spelling variations:
multirate processing » multi processing (Expand search), multiuser processing (Expand search), multimedia processing (Expand search)
decrease multirate » decrease intimate (Expand search)
the decrease » to decrease (Expand search), and decrease (Expand search)
python code » python coding (Expand search), python redes (Expand search)
code the » code to (Expand search)
pitons » citons (Expand search), pitoni (Expand search), pitoes (Expand search)

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: (( code the decrease multirate processing ) OR ( python code pitons python programming ))~.