Perhaps you should try some spelling variations:
"coder using arduino robotica programming" » "coder using arduino robotics programming" (Expand search), "coder using arduino robots programming" (Expand search), "coder using arduino robot programming" (Expand search), "coder using ensino robotica programming" (Expand search), "coders using arduino robotica programming" (Expand search), "cover using arduino robotica programming" (Expand search), "code using arduino robotica programming" (Expand search)
"python django python python programming" » "python usando python python programming" (Expand search), "python dado python python programming" (Expand search), "python django pythons python programming" (Expand search), "python django piton python programming" (Expand search), "python django pitons 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 using arduino robotica programming") OR ("python django python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder using arduino robotica programming\") OR (\"python django python python programming\"))".
• Removing quotes may allow a broader search: (( coder using arduino robotica programming ) OR ( python django python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder using arduino robotica programming") OR ("python django python python programming"))*.