Perhaps you should try some spelling variations:
"using computational in string program" » "and computational in string program" (Expand search), "using computational and string program" (Expand search), "using computational _ string program" (Expand search), "using computational 3d string program" (Expand search), "using computational in strong program" (Expand search), "using computational in spring programa" (Expand search), "using computational in sharing program" (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 computational in string program\") OR (\"using codigo python python programming\"))~".
• Removing quotes may allow a broader search: (( using computational in string program ) OR ( using codigo python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computational in string program") OR ("using codigo python python programming"))*.