Perhaps you should try some spelling variations:
"coder documentation change challenges programmer" » "coder documentation change challenge programme" (Expand search), "coder documentation science challenges programmer" (Expand search), "coder documentation and challenges programmer" (Expand search), "coder documentation center challenges programmer" (Expand search), "model documentation change challenges programmer" (Expand search), "car documentation change challenges programmer" (Expand search), "care documentation change challenges programmer" (Expand search), "coder documentation care challenges programmer" (Expand search), "coder documentation the challenges programmer" (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 documentation change challenges programmer") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder documentation change challenges programmer\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder documentation change challenges programmer ) OR ( api python python python programming ))*.