Perhaps you should try some spelling variations:
"coder using arduino programming teaching" » "coder using arduino programmable teaching" (Expand search), "coder using radio programming teaching" (Expand search), "coder using learning programming teaching" (Expand search), "coders using arduino programming teaching" (Expand search), "cover using arduino programming teaching" (Expand search), "code using arduino programming teaching" (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 programming teaching") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder using arduino programming teaching\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder using arduino programming teaching ) OR ( api python python python programming ))*.