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