Perhaps you should try some spelling variations:
"code computing using computational program" » "code computing and computational program" (Expand search), "code computing ufcg computational program" (Expand search), "model computing using computational program" (Expand search), "models computing using computational program" (Expand search), "modern computing using computational program" (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("code computing using computational program") OR ("using using python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"code computing using computational program\") OR (\"using using python python programming\"))".
• Removing quotes may allow a broader search: (( code computing using computational program ) OR ( using using python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("code computing using computational program") OR ("using using python python programming"))*.