Perhaps you should try some spelling variations:
"using computation using modeling program" » "using computational using modeling program" (Expand search), "using imputation using modeling program" (Expand search), "using compilation using modeling program" (Expand search), "using computations using modeling program" (Expand search), "using computation in modeling program" (Expand search), "using composition using modeling program" (Expand search), "using computation using labeling program" (Expand search), "using computation using model program" (Expand search), "using computation using counseling program" (Expand search), "using computation using modern program" (Expand search), "using computation using models program" (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.

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