Perhaps you should try some spelling variations:
"the computation using routing problem" » "the computations using routing problem" (Expand search), "the computation in routing problem" (Expand search), "the composition using routing problem" (Expand search), "the computational using routing problem" (Expand search), "the computation using routine problem" (Expand search), "the computation nursing routing problem" (Expand search), "the computation using rotating problem" (Expand search)
"using codigo python python programming" » "using codigo pythons python programming" (Expand search), "using codigo piton python programming" (Expand search), "using codigo pitons python programming" (Expand search), "using indigo python python programming" (Expand search), "using coding python python programming" (Expand search), "using codium 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: (("the computation using routing problem") OR ("using codigo python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"the computation using routing problem\") OR (\"using codigo python python programming\"))".
• Removing quotes may allow a broader search: (( the computation using routing problem ) OR ( using codigo python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("the computation using routing problem") OR ("using codigo python python programming"))*.