Perhaps you should try some spelling variations:
"using computational java string problem" » "and computational java string problem" (Expand search), "using computacional java string problem" (Expand search), "using computational data string problem" (Expand search), "using computational and string problem" (Expand search), "using computational java sizing problem" (Expand search), "using computational java rostering problem" (Expand search), "using computational java sharing problems" (Expand search), "using computational java spring problem" (Expand search), "using computational java swing problem" (Expand search), "using computational java merging problem" (Expand search)
"using medium python python programming" » "using manim python python programming" (Expand search), "using medium pythons python programming" (Expand search), "using medium piton python programming" (Expand search), "using medium pitons python programming" (Expand search), "using sodium 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 java string problem\") OR (\"using medium python python programming\"))~".
• Removing quotes may allow a broader search: (( using computational java string problem ) OR ( using medium python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computational java string problem") OR ("using medium python python programming"))*.