Perhaps you should try some spelling variations:
"coder decoder python co programming" » "coder decoder python con programming" (Expand search), "coder decoder python to programming" (Expand search), "coder decoder python c programming" (Expand search), "encoder decoder python co programming" (Expand search), "coder decoder python code programming" (Expand search)
"spix in python python programming" » "spix in pythons python programming" (Expand search), "spix in piton python programming" (Expand search), "spix in pitons python programming" (Expand search), "spix _ python python programming" (Expand search), "ppix in python python programming" (Expand search), "spix and 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 decoder python co programming") OR ("spix in python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder python co programming\") OR (\"spix in python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder python co programming ) OR ( spix in python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder python co programming") OR ("spix in python python programming"))*.