Perhaps you should try some spelling variations:
"based computational using sio2 array" » "and computational using sio2 array" (Expand search), "by computational using sio2 array" (Expand search), "based computation using sio2 array" (Expand search), "based computations using sio2 array" (Expand search), "based computacional usinas sio2 array" (Expand search), "based computational using tio2 array" (Expand search), "based computational using six array" (Expand search)
"using in python python programming" » "using in pythons python programming" (Expand search), "using in piton python programming" (Expand search), "using in pitons python programming" (Expand search), "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 computational using sio2 array\") OR (\"using in python python programming\"))~".
• Removing quotes may allow a broader search: (( based computational using sio2 array ) OR ( using in python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("based computational using sio2 array") OR ("using in python python programming"))*.