Perhaps you should try some spelling variations:
"using imputation using computer program" » "using mutation using computer program" (Expand search), "testing imputation using computer program" (Expand search), "using computational using computer program" (Expand search), "using computation using computer program" (Expand search), "using computations using computer program" (Expand search), "using imputation in computer 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: (("using imputation using computer program") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using imputation using computer program\") OR (\"using coding python python programming\"))*".
• Removing quotes may allow a broader search: (( using imputation using computer program ) OR ( using coding python python programming ))*.