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 modulo python python programming" » "using codigo python python programming" (Expand search), "using modulo pythons python programming" (Expand search), "using modulo piton python programming" (Expand search), "using modulo pitons python programming" (Expand search), "using module python python programming" (Expand search), "using model python python programming" (Expand search), "using models python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using imputation using computer program\") OR (\"using modulo python python programming\"))~".
• Removing quotes may allow a broader search: (( using imputation using computer program ) OR ( using modulo python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using imputation using computer program") OR ("using modulo python python programming"))*.