Perhaps you should try some spelling variations:
"teaching computational cost computer program" » "using computational cost computer program" (Expand search), "teaching educational cost computer program" (Expand search), "applying computational cost computer program" (Expand search), "teaching computational and computer program" (Expand search), "teaching computational design computer program" (Expand search), "teaching computational vision computer program" (Expand search), "teaching computational chest computer program" (Expand search), "teaching computational catt computer program" (Expand search), "teaching computational test computer program" (Expand search)
"using codigo python python programming" » "using codigo pythons python programming" (Expand search), "using codigo piton python programming" (Expand search), "using codigo pitons python programming" (Expand search), "using indigo python python programming" (Expand search), "using coding python python programming" (Expand search), "using codium 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 cost computer program\") OR (\"using codigo python python programming\"))~".
• Removing quotes may allow a broader search: (( teaching computational cost computer program ) OR ( using codigo python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("teaching computational cost computer program") OR ("using codigo python python programming"))*.