Perhaps you should try some spelling variations:
"_ computational and generalized array" » "_ computational fluid generalized array" (Expand search), "_ computational and generalized arma" (Expand search), "_ computational and generalized airy" (Expand search), "_ computational and generalized early" (Expand search), "_ computational in generalized array" (Expand search), "_ computational _ generalized array" (Expand search)
"using python python python programming" » "using pythons python python programming" (Expand search), "using piton python python programming" (Expand search), "using pitons python python programming" (Expand search), "usando python python python programming" (Expand search), "in python 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: (("_ computational and generalized array") OR ("using python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"_ computational and generalized array\") OR (\"using python python python programming\"))".
• Removing quotes may allow a broader search: (( _ computational and generalized array ) OR ( using python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("_ computational and generalized array") OR ("using python python python programming"))*.