Perhaps you should try some spelling variations:
"coder decoder coding optimization problem" » "coder decoder coding optimization problems" (Expand search), "coder decoder cooling optimization problem" (Expand search), "coder decoder modeling optimization problem" (Expand search), "coder decoder routing optimization problem" (Expand search), "coder decoder codecs optimization problem" (Expand search), "coder decoder using optimization problem" (Expand search), "coder decoder codec optimization problem" (Expand search), "encoder decoder coding optimization problem" (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 coding optimization problem") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder coding optimization problem\") OR (\"in python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder decoder coding optimization problem ) OR ( in python python python programming ))*.