Perhaps you should try some spelling variations:
"learning functions in teaching programming" » "learning functions in teaching program" (Expand search), "learning fractions in teaching programming" (Expand search), "teaching functions in teaching programming" (Expand search), "clearing function in teaching programming" (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.

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