Perhaps you should try some spelling variations:
"coder decoder using coupled problems" » "encoder decoder using coupled problems" (Expand search), "coder disorder using coupled problems" (Expand search), "coder decoding using coupled problems" (Expand search), "coder cover using coupled problems" (Expand search), "coder decoder in coupled problems" (Expand search)
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ 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 using coupled problems") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder using coupled problems\") OR (\"in python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder decoder using coupled problems ) OR ( in python python python programming ))*.