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