Perhaps you should try some spelling variations:
"coder coder challenge tests problem" » "coder tower challenge tests problem" (Expand search), "coder under challenge tests problem" (Expand search), "coder elders challenge tests problem" (Expand search), "coder coder challenge test problem" (Expand search), "coder coder challenge test problems" (Expand search), "coder coder challenge sts problem" (Expand search), "coder coder challenge tests probe" (Expand search), "coder decoder challenge tests problem" (Expand search), "code code challenge tests problem" (Expand search), "decoder codec challenge tests problem" (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 coder challenge tests problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder challenge tests problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder challenge tests problem ) OR ( api python python python programming ))*.