Perhaps you should try some spelling variations:
"coder implementation and dd program" » "code implementation and dd program" (Expand search), "decoder implementation and dd program" (Expand search), "model implementation and dd program" (Expand search), "coder implementation of dd program" (Expand search), "coder implementation and d program" (Expand search), "coder implementation and cd program" (Expand search), "coder implementation and redd program" (Expand search), "coder implementation and ddt program" (Expand search), "coder implementation and dc program" (Expand search), "coder implementation and d2 program" (Expand search)
"python coding python python programming" » "action coding python python programming" (Expand search), "python code python python programming" (Expand search), "python codigo 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 and dd program") OR ("python coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder implementation and dd program\") OR (\"python coding python python programming\"))".
• Removing quotes may allow a broader search: (( coder implementation and dd program ) OR ( python coding python python programming )).
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