Perhaps you should try some spelling variations:
"coder decoder in mapreduce programming" » "encoder decoder in mapreduce programming" (Expand search), "coder decoder on mapreduce programming" (Expand search), "coder decoder and mapreduce programming" (Expand search), "coder decoder _ mapreduce programming" (Expand search), "coder recorder in mapreduce programming" (Expand search), "coder decoder using mapreduce 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), "manim 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 decoder in mapreduce programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder in mapreduce programming\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder decoder in mapreduce programming ) OR ( api python python python programming ))*.