Perhaps you should try some spelling variations:
"coder representation c teaching programming" » "modern representation c teaching programming" (Expand search), "border representation c teaching programming" (Expand search), "under representation c teaching programming" (Expand search), "coder representation c teaching program" (Expand search), "coder representation can teaching programming" (Expand search), "coder representation city teaching programming" (Expand search), "coder representation chez teaching programming" (Expand search), "coder representation kbc teaching programming" (Expand search), "coder representation bec teaching programming" (Expand search), "coder representation fmc teaching programming" (Expand search)
"python coding python python programming" » "action coding python python programming" (Expand search), "python code python python programming" (Expand search), "python codigo python python programming" (Expand search), "python codigos python python programming" (Expand search), "python using python python programming" (Expand search), "python coding pythons python programming" (Expand search), "python coding piton python programming" (Expand search), "python coding pitons 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: (("coder representation c teaching programming") OR ("python coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder representation c teaching programming\") OR (\"python coding python python programming\"))".
• Removing quotes may allow a broader search: (( coder representation c teaching programming ) OR ( python coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder representation c teaching programming") OR ("python coding python python programming"))*.