Perhaps you should try some spelling variations:
"coder implementation model and programming" » "code implementation model and programming" (Expand search), "decoder implementation model and programming" (Expand search), "model implementation model and programming" (Expand search), "coder implementation of and programming" (Expand search), "coder implementation and and programming" (Expand search), "coder implementation on and programming" (Expand search), "coder implementation model _ programming" (Expand search), "coder implementation model goal programming" (Expand search), "coder implementation modeling and programming" (Expand search)
"python coding python python programming" » "python codigo python python programming" (Expand search), "action coding python python programming" (Expand search), "python code python python programming" (Expand search), "python codigos python python programming" (Expand search), "python using python python programming" (Expand search), "python coding pythons python programming" (Expand search), "python coding piton python programming" (Expand search), "python coding pitons python programming" (Expand search)

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