Perhaps you should try some spelling variations:
"based computation using reference array" » "based computational using reference array" (Expand search), "based competition using reference array" (Expand search), "based compilation using reference array" (Expand search), "based computations using reference array" (Expand search), "based computation in reference array" (Expand search), "based composition using reference array" (Expand search), "based computation using reference area" (Expand search), "based computation using reference areas" (Expand search), "based computation using reference cardiac" (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: "((\"based computation using reference array\") OR (\"using using python python programming\"))~".
• Removing quotes may allow a broader search: (( based computation using reference array ) OR ( using using python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("based computation using reference array") OR ("using using python python programming"))*.