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