Perhaps you should try some spelling variations:
"coder programacao python arduino programmable" » "calor programacao python arduino programmable" (Expand search), "ver programacao python arduino programmable" (Expand search), "des programacao python arduino programmable" (Expand search)
"using mixed python python programming" » "using mixed pythons python programming" (Expand search), "using mixed piton python programming" (Expand search), "using mixed pitons python programming" (Expand search), "using mixed method python programming" (Expand search), "using mixed paths python programming" (Expand search), "using mixed prison 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 programacao python arduino programmable\") OR (\"using mixed python python programming\"))~".
• Removing quotes may allow a broader search: (( coder programacao python arduino programmable ) OR ( using mixed python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder programacao python arduino programmable") OR ("using mixed python python programming"))*.