Perhaps you should try some spelling variations:
"coder coder challenge based problem" » "coder tower challenge based problem" (Expand search), "coder under challenge based problem" (Expand search), "coder elders challenge based problem" (Expand search), "coder coder challenge and problem" (Expand search), "coder coder challenge based problems" (Expand search), "coder coder challenge based probe" (Expand search), "coder coder challenge posed problem" (Expand search), "coder decoder challenge based problem" (Expand search), "code code challenge based problem" (Expand search), "decoder codec challenge based 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.

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