Perhaps you should try some spelling variations:
"coder coding arduino system program" » "coder cutting arduino system program" (Expand search), "coder using arduino system program" (Expand search), "coder con arduino system program" (Expand search), "coder coding arduino systems program" (Expand search), "coder coding arduino system programming" (Expand search), "modern coding arduino system program" (Expand search), "color coding arduino system program" (Expand search), "odor coding arduino system program" (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding arduino system program\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding arduino system program ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding arduino system program") OR ("api python python python programming"))*.