Perhaps you should try some spelling variations:
"coder precoder challenge learning programming" » "coder precoder challenge learning programme" (Expand search), "coder precoder challenge teaching programming" (Expand search), "coder precoder challenge learning program" (Expand search), "coder unprecedent challenge learning programming" (Expand search), "coder precoder challenges learning programming" (Expand search), "coder precoder challenge testing programming" (Expand search), "coder decoder challenge learning 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), "manim 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 precoder challenge learning programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder challenge learning programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder challenge learning programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder challenge learning programming") OR ("api python python python programming"))*.