Perhaps you should try some spelling variations:
"code complexity _ precoder program" » "code complexity _ proder program" (Expand search), "code complexity _ recovery program" (Expand search), "code complexity _ precoce programa" (Expand search), "case complexity _ precoder program" (Expand search), "care complexity _ precoder program" (Expand search), "the complexity _ precoder 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: (("code complexity _ precoder program") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"code complexity _ precoder program\") OR (\"using coding python python programming\"))*".
• Removing quotes may allow a broader search: (( code complexity _ precoder program ) OR ( using coding python python programming ))*.