Perhaps you should try some spelling variations:
"coder coding _ controller arduino" » "coder coding _ controle arduino" (Expand search), "coder coding _ controlador arduino" (Expand search), "coder coding _ microcontroller arduino" (Expand search), "modern coding _ controller arduino" (Expand search), "color coding _ controller arduino" (Expand search), "odor coding _ controller 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 coding _ controller arduino") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding _ controller arduino\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coding _ controller arduino ) OR ( api python python python programming ))*.