Perhaps you should try some spelling variations:
"teaching computational xcode java programing" » "using computational xcode java programing" (Expand search), "teaching educational xcode java programing" (Expand search), "applying computational xcode java programing" (Expand search), "teaching computational code java programing" (Expand search), "teaching computational codes java programing" (Expand search), "teaching computational mode java programing" (Expand search), "teaching computational xcode java programming" (Expand search), "teaching computational xcode java programs" (Expand search), "teaching computational xcode meta programming" (Expand search)
"usando python python python programming" » "usando pythons python python programming" (Expand search), "usando piton python python programming" (Expand search), "usando pitons 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 xcode java programing\") OR (\"usando python python python programming\"))~".
• Removing quotes may allow a broader search: (( teaching computational xcode java programing ) OR ( usando python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("teaching computational xcode java programing") OR ("usando python python python programming"))*.