Perhaps you should try some spelling variations:
channel codes » channel model (Expand search), channel coding (Expand search), channel cross (Expand search)
code decrease » oxide decrease (Expand search), roads decrease (Expand search), to decrease (Expand search)
python python » pythons python (Expand search), pitons python (Expand search), pytm python (Expand search)
codes python » codigos python (Expand search), codigo python (Expand search), dados python (Expand search)
piton python » pitons python (Expand search), in python (Expand search), with python (Expand search)
python code » python coding (Expand search), python redes (Expand search)
of piton » of piston (Expand search), of pigeon (Expand search), of pichon (Expand search)

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

• Removing quotes may allow a broader search: (( channel codes python code decrease ) OR ( of piton python python programming ))~.