Perhaps you should try some spelling variations:
"coder xcode pic microcontroller arduino" » "coder xcode pic microcontrolador arduino" (Expand search), "code code pic microcontroller arduino" (Expand search), "coder decoder pic microcontroller arduino" (Expand search), "coder code psc microcontroller arduino" (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 xcode pic microcontroller arduino") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder xcode pic microcontroller arduino\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder xcode pic microcontroller arduino ) OR ( api python python python programming ))*.