Perhaps you should try some spelling variations:
smooth optimal » nonsmooth optimal (Expand search), both optimal (Expand search)
optimal python » optimal path (Expand search), optimal paths (Expand search), optimal method (Expand search)
action coding » action during (Expand search), actions according (Expand search)
coding python » codigo python (Expand search), codigos python (Expand search), using python (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
coder action » border action (Expand search), under action (Expand search), power action (Expand search)

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

• Removing quotes may allow a broader search: (( coder action coding python programming ) OR ( smooth optimal python python programming ))~.