Perhaps you should try some spelling variations:
"advance computational in string problem" » "advanced computational in string problem" (Expand search), "advancing computational in string problem" (Expand search), "advanced computations in string problem" (Expand search), "advance computational and string problem" (Expand search), "advance computational _ string problem" (Expand search), "advance computational 3d string problem" (Expand search), "advance computational in sizing problem" (Expand search), "advance computational in rostering problem" (Expand search), "advance computational in sharing problems" (Expand search)
"using python python python programming" » "using pythons python python programming" (Expand search), "using piton python python programming" (Expand search), "using pitons python python programming" (Expand search), "usando python python python programming" (Expand search), "in python 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: "((\"advance computational in string problem\") OR (\"using python python python programming\"))~".
• Removing quotes may allow a broader search: (( advance computational in string problem ) OR ( using python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("advance computational in string problem") OR ("using python python python programming"))*.