Perhaps you should try some spelling variations:
"using computation and simplex program" » "using computational and simplex program" (Expand search), "using imputation and simplex program" (Expand search), "using compilation and simplex program" (Expand search), "using computation of simplex program" (Expand search), "using computation and simples program" (Expand search), "using computation and complex program" (Expand search), "using computation and simple program" (Expand search), "using computation mead simplex 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 and simplex program") OR ("using code from python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using computation and simplex program\") OR (\"using code from python programming\"))".
• Removing quotes may allow a broader search: (( using computation and simplex program ) OR ( using code from python programming )).
• Adding a wildcard symbol may retrieve word variants: (("using computation and simplex program") OR ("using code from python programming"))*.