Perhaps you should try some spelling variations:
"of computation of generalized array" » "of computation of generalized arma" (Expand search), "of computation of generalized airy" (Expand search), "of computation of generalized early" (Expand search), "of computational of generalized array" (Expand search), "the computation of generalized array" (Expand search), "of computation _ 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"of computation of generalized array\") OR (\"using python python python programming\"))~".
• Removing quotes may allow a broader search: (( of computation of generalized array ) OR ( using python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("of computation of generalized array") OR ("using python python python programming"))*.