Perhaps you should try some spelling variations:
"using computational using computer program" » "and computational using computer program" (Expand search), "using computation using computer program" (Expand search), "using computations using computer program" (Expand search), "using computacional usinas computer program" (Expand search)
"using model in python programming" » "ising model in python programming" (Expand search), "using modis in python programming" (Expand search), "using mobile in python programming" (Expand search), "using model _ 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: (("using computational using computer program") OR ("using model in python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using computational using computer program\") OR (\"using model in python programming\"))*".
• Removing quotes may allow a broader search: (( using computational using computer program ) OR ( using model in python programming ))*.