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