Perhaps you should try some spelling variations:
"encoding decoding python teaching programming" » "encoding decoding python teaching program" (Expand search), "reading decoding python teaching programming" (Expand search), "encoding decoding method teaching programming" (Expand search), "encoding decoding action teaching programming" (Expand search), "encoding decoding fashion teaching programming" (Expand search), "encoding decoding opinion teaching programming" (Expand search)
"python using python python programming" » "python using pythons python programming" (Expand search), "python using piton python programming" (Expand search), "python using pitons python programming" (Expand search), "python usando python python programming" (Expand search), "python coding python python programming" (Expand search), "action using python python programming" (Expand search), "python in python python programming" (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"encoding decoding python teaching programming\") OR (\"python using python python programming\"))~".
• Removing quotes may allow a broader search: (( encoding decoding python teaching programming ) OR ( python using python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("encoding decoding python teaching programming") OR ("python using python python programming"))*.