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