Perhaps you should try some spelling variations:
"coder coder challenging the programming" » "coder under challenging the programming" (Expand search), "coder cancer challenging the programming" (Expand search), "coder after challenging the programming" (Expand search), "coder coder challenging cone programming" (Expand search), "coder coder challenging _ programming" (Expand search), "coder coder challenging and programming" (Expand search), "coder decoder challenging the programming" (Expand search), "code code challenging the programming" (Expand search), "decoder codec challenging the 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)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder challenging the programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder challenging the programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder challenging the programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder challenging the programming") OR ("api python python python programming"))*.