Perhaps you should try some spelling variations:
"and computational using inverse problem" » "and computation using inverse problem" (Expand search), "and computations using inverse problem" (Expand search), "and computacional usinas inverse problem" (Expand search), "_ computational using inverse problem" (Expand search), "and computational using reverse problem" (Expand search), "and computational using internet problem" (Expand search), "and computational using inter 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: (("and computational using inverse problem") OR ("using python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and computational using inverse problem\") OR (\"using python python python programming\"))*".
• Removing quotes may allow a broader search: (( and computational using inverse problem ) OR ( using python python python programming ))*.