Perhaps you should try some spelling variations:
"using python python arduino programmable" » "using pythons python arduino programmable" (Expand search), "using piton python arduino programmable" (Expand search), "using pitons python arduino programmable" (Expand search), "usando python python arduino programmable" (Expand search), "in python python arduino programmable" (Expand search)
"using retardo python python programming" » "using retardo pythons python programming" (Expand search), "using retardo piton python programming" (Expand search), "using retardo pitons python programming" (Expand search), "using rotary python python programming" (Expand search), "using ready python python programming" (Expand search), "using return 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: (("using python python arduino programmable") OR ("using retardo python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using python python arduino programmable\") OR (\"using retardo python python programming\"))".
• Removing quotes may allow a broader search: (( using python python arduino programmable ) OR ( using retardo python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("using python python arduino programmable") OR ("using retardo python python programming"))*.