Perhaps you should try some spelling variations:
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"using coding _ vpython programming" » "using coding _ python programming" (Expand search), "using coding _ method programming" (Expand search), "using coding _ creation programming" (Expand search), "using coping _ vpython programming" (Expand search), "using coating _ vpython programming" (Expand search), "using cooking _ vpython programming" (Expand search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("teaching computation using computing program") OR ("using coding _ vpython programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"teaching computation using computing program\") OR (\"using coding _ vpython programming\"))".
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• Adding a wildcard symbol may retrieve word variants: (("teaching computation using computing program") OR ("using coding _ vpython programming"))*.