Perhaps you should try some spelling variations:
"coder propagation python arduino programmable" » "coder propagation method arduino programmable" (Expand search), "coder propagation path arduino programmable" (Expand search), "coder programmation python arduino programmable" (Expand search), "mode propagation python arduino programmable" (Expand search), "model propagation python arduino programmable" (Expand search), "modes propagation python arduino programmable" (Expand search)
"using codigo python python programming" » "using codigo pythons python programming" (Expand search), "using codigo piton python programming" (Expand search), "using codigo pitons python programming" (Expand search), "using indigo python python programming" (Expand search), "using coding python python programming" (Expand search), "using codium 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 python arduino programmable") OR ("using codigo python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder propagation python arduino programmable\") OR (\"using codigo python python programming\"))*".
• Removing quotes may allow a broader search: (( coder propagation python arduino programmable ) OR ( using codigo python python programming ))*.