Perhaps you should try some spelling variations:
"using computation in rooting problem" » "using computational in rooting problem" (Expand search), "using imputation in rooting problem" (Expand search), "using compilation in rooting problem" (Expand search), "using computation in routing problem" (Expand search), "using computation in routing problems" (Expand search), "using computation in grooming problem" (Expand search), "using computation and rooting problem" (Expand search), "using computation of rooting problem" (Expand search), "using computation on rooting problem" (Expand search), "using computation in rooming problem" (Expand search), "using computation in 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using computation in rooting problem\") OR (\"using codigo python python programming\"))~".
• Removing quotes may allow a broader search: (( using computation in rooting problem ) OR ( using codigo python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computation in rooting problem") OR ("using codigo python python programming"))*.