Perhaps you should try some spelling variations:
"code the arduino robotica programming" » "code the arduino robotics programming" (Expand search), "code the arduino robots programming" (Expand search), "code the arduino robot programming" (Expand search), "code the ensino robotica programming" (Expand search), "code to arduino robotica programming" (Expand search)
"python coding python python programming" » "python codigo python python programming" (Expand search), "action coding python python programming" (Expand search), "python code python python programming" (Expand search), "python codigos python python programming" (Expand search), "python using python python programming" (Expand search), "python coding pythons python programming" (Expand search), "python coding piton python programming" (Expand search), "python coding pitons 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: "((\"code the arduino robotica programming\") OR (\"python coding python python programming\"))~".
• Removing quotes may allow a broader search: (( code the arduino robotica programming ) OR ( python coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("code the arduino robotica programming") OR ("python coding python python programming"))*.