Perhaps you should try some spelling variations:
"and computation using virtual program" » "and computations using virtual program" (Expand search), "and computation in virtual program" (Expand search), "and composition using virtual program" (Expand search), "and computational using virtual program" (Expand search), "of computation using virtual program" (Expand search), "and computation using virtual programming" (Expand search), "and computation using virtual programavel" (Expand search), "and computation using virtual programacao" (Expand search), "and computation ensino virtual program" (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: "((\"and computation using virtual program\") OR (\"using python python python programming\"))~".
• Removing quotes may allow a broader search: (( and computation using virtual program ) OR ( using python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and computation using virtual program") OR ("using python python python programming"))*.