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