Perhaps you should try some spelling variations:
"coder coder key challenges faced" » "coder coder key challenges and" (Expand search), "coder decoder key challenges faced" (Expand search), "code code key challenges faced" (Expand search), "decoder codec key challenges faced" (Expand search), "coder colar key challenges faced" (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 key challenges faced\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder key challenges faced ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder key challenges faced") OR ("api python python python programming"))*.