Perhaps you should try some spelling variations:
"based computations using computer program" » "based computation using computer program" (Expand search), "based computational using computer program" (Expand search), "based competition using computer program" (Expand search), "based populations using computer program" (Expand search), "based computations in computer program" (Expand search)
"using tool python python programming" » "using tool pythons python programming" (Expand search), "using tool piton python programming" (Expand search), "using tool pitons python programming" (Expand search), "using tools python python programming" (Expand search), "using total python python programming" (Expand search), "using tonal 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: (("based computations using computer program") OR ("using tool python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based computations using computer program\") OR (\"using tool python python programming\"))*".
• Removing quotes may allow a broader search: (( based computations using computer program ) OR ( using tool python python programming ))*.