Perhaps you should try some spelling variations:
"teaching activity in coding problems" » "teaching activity in loading problems" (Expand search), "teaching activity in counting problems" (Expand search), "teaching activity in covering problems" (Expand search), "teaching activity in decoding problems" (Expand search), "teaching activity non coding problems" (Expand search), "teaching activity and coding problems" (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: (("teaching activity in coding problems") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"teaching activity in coding problems\") OR (\"using coding python python programming\"))*".
• Removing quotes may allow a broader search: (( teaching activity in coding problems ) OR ( using coding python python programming ))*.