Perhaps you should try some spelling variations:
"design implementation and precoder program" » "an implementation and precoder program" (Expand search), "design implementation of precoder program" (Expand search), "design implementation and proder program" (Expand search), "design implementation and recovery program" (Expand search), "design implementation and precoce programa" (Expand search), "design implementation and precore program" (Expand search), "design implementation and decoder program" (Expand search), "design 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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• Performing a fuzzy search may retrieve terms with similar spellings: (("design implementation and precoder program") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"design implementation and precoder program\") OR (\"using coding python python programming\"))".
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