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