Perhaps you should try some spelling variations:
"its implementation and precoder program" » "its implementation of precoder program" (Expand search), "its implementation and proder program" (Expand search), "its implementation and recovery program" (Expand search), "its implementation and precoce programa" (Expand search), "its implementation and precore program" (Expand search), "its implementation and decoder program" (Expand search), "its implementation and precede program" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking python python programming" (Expand search)

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"its implementation and precoder program\") OR (\"using coding python python programming\"))".
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