Perhaps you should try some spelling variations:
"teaching computational xcode java programming" » "using computational xcode java programming" (Expand search), "teaching educational xcode java programming" (Expand search), "applying computational xcode java programming" (Expand search), "teaching computational code java programming" (Expand search), "teaching computational codes java programming" (Expand search), "teaching computational mode java programming" (Expand search), "teaching computational xcode and programming" (Expand search), "teaching computational xcode based programming" (Expand search), "teaching computational xcode goal programming" (Expand search)
"using python python python programming" » "using pythons python python programming" (Expand search), "using piton python python programming" (Expand search), "using pitons python python programming" (Expand search), "usando python python python programming" (Expand search), "in python python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("teaching computational xcode java programming") OR ("using python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"teaching computational xcode java programming\") OR (\"using python python python programming\"))*".
• Removing quotes may allow a broader search: (( teaching computational xcode java programming ) OR ( using python python python programming ))*.