Perhaps you should try some spelling variations:
"and computation on integer programing" » "and computation on integer programming" (Expand search), "and computation on internet programming" (Expand search), "and computation on linear programing" (Expand search), "and computational on integer programing" (Expand search), "of computation on integer programing" (Expand search), "and computation of integer programing" (Expand search), "and computation in integer programing" (Expand search), "and computation and integer programing" (Expand search), "and computation non integer programing" (Expand search), "and computation an integer programing" (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 on integer programing\") OR (\"using python python python programming\"))~".
• Removing quotes may allow a broader search: (( and computation on integer programing ) OR ( using python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and computation on integer programing") OR ("using python python python programming"))*.