Perhaps you should try some spelling variations:
"using imputation using structured programming" » "using imputation using structured programs" (Expand search), "using mutation using structured programming" (Expand search), "testing imputation using structured programming" (Expand search), "using computational using structured programming" (Expand search), "using computation using structured programming" (Expand search), "using computations using structured programming" (Expand search), "using imputation in structured programming" (Expand search), "using imputation using structure programming" (Expand search), "using imputation using unstructured programming" (Expand search), "using imputation using structural programming" (Expand search)
"using code from python programming" » "using code from pathogen programming" (Expand search), "using code from anthony programming" (Expand search), "using cone from python programming" (Expand search), "using co from python programming" (Expand search), "using co2 from python programming" (Expand search), "using code form 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 structured programming") OR ("using code from python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using imputation using structured programming\") OR (\"using code from python programming\"))".
• Removing quotes may allow a broader search: (( using imputation using structured programming ) OR ( using code from python programming )).
• Adding a wildcard symbol may retrieve word variants: (("using imputation using structured programming") OR ("using code from python programming"))*.