Perhaps you should try some spelling variations:
"coder decoder sampling using problem" » "coder under sampling using problem" (Expand search), "coder over sampling using problem" (Expand search), "coder order sampling using problem" (Expand search), "coder decoder samples using problem" (Expand search), "coder decoder sampling in problem" (Expand search), "coder decoder sampling unit problem" (Expand search), "encoder decoder sampling using problem" (Expand search), "coder decoder sampling housing problem" (Expand search), "coder decoder sampling housing problems" (Expand search), "coder decoder sampling routing 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 sampling using problem") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder sampling using problem\") OR (\"in python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder sampling using problem ) OR ( in python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder sampling using problem") OR ("in python python python programming"))*.