Perhaps you should try some spelling variations:
"advanced computation in string problem" » "advanced computations in string problem" (Expand search), "advanced computational in string problem" (Expand search), "advance computational in string problem" (Expand search), "advanced computation and string problem" (Expand search), "advanced computation of string problem" (Expand search), "advanced imputation in string problem" (Expand search), "advanced computation in sizing problem" (Expand search), "advanced computation in rostering problem" (Expand search), "advanced computation in sharing problems" (Expand search)
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ python python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("advanced computation in string problem") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced computation in string problem\") OR (\"in python python python programming\"))".
• Removing quotes may allow a broader search: (( advanced computation in string problem ) OR ( in python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("advanced computation in string problem") OR ("in python python python programming"))*.