Perhaps you should try some spelling variations:
"and computation using allocation problem" » "and computation using location problem" (Expand search), "and computations using allocation problem" (Expand search), "and computation in allocation problem" (Expand search), "and composition using allocation problem" (Expand search), "and computation using association problem" (Expand search), "and computation single allocation problem" (Expand search), "and computational using allocation problem" (Expand search), "of computation using allocation problem" (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: (("and computation using allocation problem") OR ("using python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and computation using allocation problem\") OR (\"using python python python programming\"))*".
• Removing quotes may allow a broader search: (( and computation using allocation problem ) OR ( using python python python programming ))*.