Perhaps you should try some spelling variations:
"class classification based precoder program" » "class classification and precoder program" (Expand search), "class classification _ precoder program" (Expand search), "class classification based proder program" (Expand search), "class classification based recovery program" (Expand search), "class classification based precoce programa" (Expand search), "class classification based decoder program" (Expand search), "class classification based decoders 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)

You may be able to get more results by adjusting your search query.

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