Perhaps you should try some spelling variations:
"using computation and computational code" » "using computation and computational model" (Expand search), "using computation and computational cost" (Expand search), "using computation and computational models" (Expand search), "using computational and computational code" (Expand search), "using imputation and computational code" (Expand search), "using compilation and computational code" (Expand search), "using computation _ computational code" (Expand search), "using computation of computational code" (Expand search)
"using using python python programming" » "using using pythons python programming" (Expand search), "using using piton python programming" (Expand search), "using using pitons python programming" (Expand search), "using usando python python programming" (Expand search), "using in python python programming" (Expand search), "using fusing python python programming" (Expand search), "housing using python python programming" (Expand search), "nursing using 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 computation and computational code\") OR (\"using using python python programming\"))~".
• Removing quotes may allow a broader search: (( using computation and computational code ) OR ( using using python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computation and computational code") OR ("using using python python programming"))*.