Perhaps you should try some spelling variations:
optimal python » optimal path (Expand search), optimal paths (Expand search), optimal method (Expand search)
coder python » codigo python (Expand search), compra python (Expand search)
python based » action based (Expand search)
coder coder » coder decoder (Expand search), code code (Expand search), decoder codec (Expand search)
an optimal » and optimal (Expand search), an optical (Expand search), _ optimal (Expand search)
python an » python and (Expand search), python in (Expand search), python api (Expand search)

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

• Removing quotes may allow a broader search: (( coder coder python based program ) OR ( python an optimal python programming ))~.