Perhaps you should try some spelling variations:
"by computational grids computer program" » "by computational and computer program" (Expand search), "by computational design computer program" (Expand search), "_ computational grids computer program" (Expand search), "and computational grids computer program" (Expand search)
"using codigo python python programming" » "using codigo pythons python programming" (Expand search), "using codigo piton python programming" (Expand search), "using codigo pitons python programming" (Expand search), "using indigo python python programming" (Expand search), "using coding python python programming" (Expand search), "using codium 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: (("by computational grids computer program") OR ("using codigo python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"by computational grids computer program\") OR (\"using codigo python python programming\"))".
• Removing quotes may allow a broader search: (( by computational grids computer program ) OR ( using codigo python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("by computational grids computer program") OR ("using codigo python python programming"))*.