Perhaps you should try some spelling variations:
"using computation using perl programming" » "using computational using perl programming" (Expand search), "using imputation using perl programming" (Expand search), "using compilation using perl programming" (Expand search), "using computations using perl programming" (Expand search), "using computation in perl programming" (Expand search), "using composition using perl programming" (Expand search), "using computation using cell programming" (Expand search), "using computation using period programming" (Expand search), "using computation using fetal programming" (Expand search), "using computation using per programming" (Expand search), "using computation using pert programming" (Expand search), "using computation using petri programming" (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 using perl programming\") OR (\"using codigo python python programming\"))~".
• Removing quotes may allow a broader search: (( using computation using perl programming ) OR ( using codigo python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computation using perl programming") OR ("using codigo python python programming"))*.