Perhaps you should try some spelling variations:
"and computations using computer program" » "and computation using computer program" (Expand search), "and populations using computer program" (Expand search), "and computations in computer program" (Expand search), "and computational using computer program" (Expand search), "and competitions using computer program" (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 computations using computer program") OR ("using python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and computations using computer program\") OR (\"using python python python programming\"))".
• Removing quotes may allow a broader search: (( and computations using computer program ) OR ( using python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("and computations using computer program") OR ("using python python python programming"))*.