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