Perhaps you should try some spelling variations:
"coder coder challenges lessons program" » "coder modern challenges lessons program" (Expand search), "coder mode challenges lessons program" (Expand search), "coder borders challenges lessons program" (Expand search), "coder coder challenges regions program" (Expand search), "coder coder challenges weapons program" (Expand search), "coder decoder challenges lessons program" (Expand search), "code code challenges lessons program" (Expand search), "decoder codec challenges lessons program" (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 challenges lessons program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder challenges lessons program\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder challenges lessons program ) OR ( api python python python programming ))*.