Perhaps you should try some spelling variations:
"teaching computational using computer program" » "using computational using computer program" (Expand search), "teaching educational using computer program" (Expand search), "applying computational using computer program" (Expand search), "teaching computation using computer program" (Expand search), "teaching computations using computer program" (Expand search), "teaching computacional usinas computer program" (Expand search)
"using only python python programming" » "using only pythons python programming" (Expand search), "using only piton python programming" (Expand search), "using only pitons python programming" (Expand search), "using monty python python programming" (Expand search), "using on python python programming" (Expand search), "using online 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: "((\"teaching computational using computer program\") OR (\"using only python python programming\"))~".
• Removing quotes may allow a broader search: (( teaching computational using computer program ) OR ( using only python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("teaching computational using computer program") OR ("using only python python programming"))*.