Perhaps you should try some spelling variations:
"coder propagation coder decoder program" » "mode propagation coder decoder program" (Expand search), "model propagation coder decoder program" (Expand search), "modes propagation coder decoder program" (Expand search), "coder propagation model decoder program" (Expand search), "coder propagation over decoder program" (Expand search), "coder propagation modes decoder program" (Expand search), "coder propagation coder decade program" (Expand search), "coder propagation coder decide program" (Expand search), "coder propagation coder leader program" (Expand search), "coder propagation encoder decoder program" (Expand search)
"api in python python programming" » "api in pythons python programming" (Expand search), "api in piton python programming" (Expand search), "api in pitons python programming" (Expand search), "api _ python python programming" (Expand search), "api an python python programming" (Expand search), "fpi in python python programming" (Expand search), "gpi in python python programming" (Expand search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder propagation coder decoder program") OR ("api in python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder propagation coder decoder program\") OR (\"api in python python programming\"))*".
• Removing quotes may allow a broader search: (( coder propagation coder decoder program ) OR ( api in python python programming ))*.