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