Perhaps you should try some spelling variations:
"coder implementation and posing problem" » "code implementation and posing problem" (Expand search), "decoder implementation and posing problem" (Expand search), "model implementation and posing problem" (Expand search), "coder implementation of posing problem" (Expand search), "coder implementation and housing problem" (Expand search), "coder implementation and using problem" (Expand search), "coder implementation and housing problems" (Expand search), "coder implementation and losing problem" (Expand search), "coder implementation and opposing problem" (Expand search), "coder implementation and closing problem" (Expand search)
"python using python python programming" » "python using pythons python programming" (Expand search), "python using piton python programming" (Expand search), "python using pitons python programming" (Expand search), "python usando python python programming" (Expand search), "python coding python python programming" (Expand search), "action using python python programming" (Expand search), "python in python python programming" (Expand search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("coder implementation and posing problem") OR ("python using python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder implementation and posing problem\") OR (\"python using python python programming\"))*".
• Removing quotes may allow a broader search: (( coder implementation and posing problem ) OR ( python using python python programming ))*.