Perhaps you should try some spelling variations:
"coder coder and challenges presented" » "coder coder and challenges related" (Expand search), "coder coder and challenges posed" (Expand search), "coder decoder and challenges presented" (Expand search), "code code and challenges presented" (Expand search), "decoder codec and challenges presented" (Expand search), "coder code and challenges presented" (Expand search), "coder codes and challenges presented" (Expand search), "coder poder and challenges presented" (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 and challenges presented") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder and challenges presented\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder and challenges presented ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder and challenges presented") OR ("api python python python programming"))*.