Perhaps you should try some spelling variations:
"and computation in computer program" » "and computational in computer program" (Expand search), "of computation in computer program" (Expand search), "and computation and computer program" (Expand search), "and computation of computer program" (Expand search), "and imputation in computer program" (Expand search), "and computation _ computer 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: (("and computation in computer program") OR ("using code from python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and computation in computer program\") OR (\"using code from python programming\"))*".
• Removing quotes may allow a broader search: (( and computation in computer program ) OR ( using code from python programming ))*.