Perhaps you should try some spelling variations:
"using computation in triangular array" » "using computational in triangular array" (Expand search), "using imputation in triangular array" (Expand search), "using compilation in triangular array" (Expand search), "using computation in triangular arrays" (Expand search), "using computation in triangular arte" (Expand search), "using computation in triangular art" (Expand search), "using computation and triangular array" (Expand search), "using computation of triangular array" (Expand search), "using computation _ triangular array" (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.

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