Perhaps you should try some spelling variations:
"using computation using activity program" » "using computational using activity program" (Expand search), "using imputation using activity program" (Expand search), "using compilation using activity program" (Expand search), "using computations using activity program" (Expand search), "using computation in activity program" (Expand search), "using composition using activity program" (Expand search), "using computation fishing activity program" (Expand search), "using computation guiding activity program" (Expand search), "using computation mining activity 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 activity program\") OR (\"using code from python programming\"))~".
• Removing quotes may allow a broader search: (( using computation using activity program ) OR ( using code from python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computation using activity program") OR ("using code from python programming"))*.