Perhaps you should try some spelling variations:
"advanced computational in clustering problem" » "and computational in clustering problem" (Expand search), "based computational in clustering problem" (Expand search), "advanced computational in covering problem" (Expand search), "advanced computational and clustering problem" (Expand search), "advanced computational _ clustering problem" (Expand search), "advanced computational 3d clustering problem" (Expand search), "advanced computational on clustering problem" (Expand search), "advanced computational spin clustering problem" (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.

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