Perhaps you should try some spelling variations:
"using computational model computing code" » "and computational model computing code" (Expand search), "using computational modeling computing code" (Expand search), "using computational models computing code" (Expand search), "using computational model comprising code" (Expand search), "using computational model computer code" (Expand search), "using computational model computing ode" (Expand search), "using computational model computing pode" (Expand search), "using computational model computing model" (Expand search)
"using python python python programming" » "using pythons python python programming" (Expand search), "using piton python python programming" (Expand search), "using pitons python python programming" (Expand search), "usando python python python programming" (Expand search), "in python python 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 computational model computing code\") OR (\"using python python python programming\"))~".
• Removing quotes may allow a broader search: (( using computational model computing code ) OR ( using python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computational model computing code") OR ("using python python python programming"))*.