Perhaps you should try some spelling variations:
"mapping lambda python python programming" » "mapping land python python programming" (Expand search), "mapping amapa python python programming" (Expand search), "mapping lambda pythons python programming" (Expand search), "mapping lambda piton python programming" (Expand search), "mapping lambda pitons python programming" (Expand search)
"coder coding python _ programming" » "coder codigo python _ programming" (Expand search), "coder codigos python _ programming" (Expand search), "coder using python _ programming" (Expand search), "modern coding python _ programming" (Expand search), "color coding python _ programming" (Expand search), "odor coding 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: "((\"coder coding python _ programming\") OR (\"mapping lambda python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding python _ programming ) OR ( mapping lambda python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding python _ programming") OR ("mapping lambda python python programming"))*.