Perhaps you should try some spelling variations:
"coder coder key challenges of" » "coder coder key challenges and" (Expand search), "coder decoder key challenges of" (Expand search), "code code key challenges of" (Expand search), "decoder codec key challenges of" (Expand search), "coder colar key challenges of" (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder key challenges of") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder key challenges of\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder key challenges of ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder key challenges of") OR ("api python python python programming"))*.