Perhaps you should try some spelling variations:
"teaching computational root coverage on" » "using computational root coverage on" (Expand search), "teaching educational root coverage on" (Expand search), "applying computational root coverage on" (Expand search), "teaching computational roots coverage on" (Expand search), "teaching computational foot coverage on" (Expand search), "teaching computational cost coverage on" (Expand search), "teaching computational root coverage of" (Expand search), "teaching computational root coverage in" (Expand search), "teaching computational root coverage and" (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 computational root coverage on\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( teaching computational root coverage on ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("teaching computational root coverage on") OR ("using coding python python programming"))*.