Perhaps you should try some spelling variations:
"based computation using computer class" » "based computational using computer class" (Expand search), "based competition using computer class" (Expand search), "based compilation using computer class" (Expand search), "based computations using computer class" (Expand search), "based computation in computer class" (Expand search), "based composition using computer class" (Expand search), "based computation using computer classes" (Expand search), "based computation using computer codes" (Expand search), "based computation using computer clusters" (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("based computation using computer class") OR ("using python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based computation using computer class\") OR (\"using python python python programming\"))".
• Removing quotes may allow a broader search: (( based computation using computer class ) OR ( using python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("based computation using computer class") OR ("using python python python programming"))*.