Perhaps you should try some spelling variations:
"teaching activity data coding problems" » "teaching activity data loading problems" (Expand search), "teaching activity data counting problems" (Expand search), "teaching activity data covering problems" (Expand search), "teaching activity data cloning problems" (Expand search), "teaching activity data recording problems" (Expand search), "teaching activity data crossing 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 data coding problems") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"teaching activity data coding problems\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( teaching activity data coding problems ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("teaching activity data coding problems") OR ("using coding python python programming"))*.