Perhaps you should try some spelling variations:
"coder decoder example of problems" » "encoder decoder example of problems" (Expand search), "coder decoder sample of problems" (Expand search)
"and python python python programming" » "and pythons python python programming" (Expand search), "and piton python python programming" (Expand search), "and pitons python python programming" (Expand search), "in python python python programming" (Expand search), "on python python python programming" (Expand search), "api 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 example of problems") OR ("and python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder example of problems\") OR (\"and python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder example of problems ) OR ( and python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder example of problems") OR ("and python python python programming"))*.