Perhaps you should try some spelling variations:
"coder documentation _ arduino programming" » "model documentation _ arduino programming" (Expand search), "car documentation _ arduino programming" (Expand search), "care documentation _ arduino programming" (Expand search), "coder documentation _ arduino programmable" (Expand search), "coder documentation _ radio programming" (Expand search), "coder documentation _ learning programming" (Expand search)
"python code python python programming" » "python code pythons python programming" (Expand search), "python code piton python programming" (Expand search), "python code pitons python programming" (Expand search), "python codigo python python programming" (Expand search), "python pacote 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 documentation _ arduino programming") OR ("python code python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder documentation _ arduino programming\") OR (\"python code python python programming\"))".
• Removing quotes may allow a broader search: (( coder documentation _ arduino programming ) OR ( python code python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder documentation _ arduino programming") OR ("python code python python programming"))*.