Perhaps you should try some spelling variations:
"coder coder big challenge program" » "coder coder big challenge programme" (Expand search), "coder coder big change program" (Expand search), "coder coder big challenge from" (Expand search), "coder coder _ challenge program" (Expand search), "coder coder and challenge program" (Expand search), "coder decoder big challenge program" (Expand search), "code code big challenge program" (Expand search), "decoder codec big challenge program" (Expand search), "coder over big 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 big challenge program\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder big challenge program ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder big challenge program") OR ("api python python python programming"))*.