Perhaps you should try some spelling variations:
"and computational models computational program" » "and computational model computational program" (Expand search), "and computational modeling computational program" (Expand search), "and computational modelling computational program" (Expand search), "and computational modelo computacional program" (Expand search), "_ computational models computational 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: "((\"and computational models computational program\") OR (\"using code from python programming\"))~".
• Removing quotes may allow a broader search: (( and computational models computational program ) OR ( using code from python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and computational models computational program") OR ("using code from python programming"))*.