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