Perhaps you should try some spelling variations:
"and computation using computer program" » "and computations using computer program" (Expand search), "and computation in computer program" (Expand search), "and composition using computer program" (Expand search), "and computational using computer program" (Expand search), "of computation using computer program" (Expand search)
"using models python python programming" » "using modulo python python programming" (Expand search), "using modeling vpython python programming" (Expand search), "using models pythons python programming" (Expand search), "using models piton python programming" (Expand search), "using models pitons python programming" (Expand search), "ising models python python programming" (Expand search), "using model python python programming" (Expand search), "nursing models python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and computation using computer program\") OR (\"using models python python programming\"))~".
• Removing quotes may allow a broader search: (( and computation using computer program ) OR ( using models python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and computation using computer program") OR ("using models python python programming"))*.