Perhaps you should try some spelling variations:
"coder coder _ challenge program" » "coder coder _ challenge programme" (Expand search), "coder coder _ change program" (Expand search), "coder coder _ challenge from" (Expand search), "coder decoder _ challenge program" (Expand search), "code code _ challenge program" (Expand search), "decoder codec _ challenge 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder _ challenge program\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder _ challenge program ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder _ challenge program") OR ("api python python python programming"))*.