Perhaps you should try some spelling variations:
"by computation using routing problem" » "by computations using routing problem" (Expand search), "by computation in routing problem" (Expand search), "by composition using routing problem" (Expand search), "by computational using routing problem" (Expand search), "of computation using routing problem" (Expand search), "_ computation using routing problem" (Expand search), "by computation using routine problem" (Expand search), "by computation nursing routing problem" (Expand search), "by computation using rotating problem" (Expand search)
"using module python python programming" » "using modulo python python programming" (Expand search), "using module method python programming" (Expand search), "using module pythons python programming" (Expand search), "using module piton python programming" (Expand search), "using module pitons python programming" (Expand search), "housing module python python programming" (Expand search), "using mobile python python programming" (Expand search), "using model 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: "((\"by computation using routing problem\") OR (\"using module python python programming\"))~".
• Removing quotes may allow a broader search: (( by computation using routing problem ) OR ( using module python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("by computation using routing problem") OR ("using module python python programming"))*.