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