Perhaps you should try some spelling variations:
"teaching computation in computer class" » "teaching computational in computer class" (Expand search), "teaching competitions in computer class" (Expand search), "teaching compensation in computer class" (Expand search), "teaching computation and computer class" (Expand search), "teaching computation of computer class" (Expand search), "teaching imputation in computer class" (Expand search), "teaching computation in computer classes" (Expand search), "teaching computation in computer codes" (Expand search), "teaching computation in computer clusters" (Expand search), "teaching computation _ computer class" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking 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 computation in computer class\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( teaching computation in computer class ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("teaching computation in computer class") OR ("using coding python python programming"))*.