Perhaps you should try some spelling variations:
"using computation using simplex program" » "using computational using simplex program" (Expand search), "using imputation using simplex program" (Expand search), "using compilation using simplex program" (Expand search), "using computations using simplex program" (Expand search), "using computation in simplex program" (Expand search), "using composition using simplex program" (Expand search), "using computation using simples program" (Expand search), "using computation using complex program" (Expand search), "using computation using simple program" (Expand search), "using computation using samples 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.

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