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 coding in python programming" » "using coping in python programming" (Expand search), "using coating in python programming" (Expand search), "using cooking in python programming" (Expand search), "using coding rna python programming" (Expand search), "using coding and python programming" (Expand search), "using coding _ 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 computations using computer program\") OR (\"using coding in python programming\"))~".
• Removing quotes may allow a broader search: (( and computations using computer program ) OR ( using coding in python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and computations using computer program") OR ("using coding in python programming"))*.