Perhaps you should try some spelling variations:
"teaching computation using tangible programming" » "teaching computational using tangible programming" (Expand search), "teaching competitions using tangible programming" (Expand search), "teaching compensation using tangible programming" (Expand search), "teaching computation using language programming" (Expand search), "teaching computation using time programming" (Expand search), "teaching computations using tangible programming" (Expand search), "teaching computation in tangible programming" (Expand search), "teaching composition using tangible programming" (Expand search), "teaching computation using extensible programming" (Expand search)
"using on python python programming" » "using on pythons python programming" (Expand search), "using on piton python programming" (Expand search), "using on pitons python programming" (Expand search), "using in python python programming" (Expand search), "using of python python programming" (Expand search), "using _ python python programming" (Expand search), "using open python python programming" (Expand search), "using only 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 using tangible programming\") OR (\"using on python python programming\"))~".
• Removing quotes may allow a broader search: (( teaching computation using tangible programming ) OR ( using on python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("teaching computation using tangible programming") OR ("using on python python programming"))*.