Perhaps you should try some spelling variations:
"coder coder based teaching problems" » "coder coder based teaching problem" (Expand search), "coder coder based breathing problems" (Expand search), "coder coder based teaching process" (Expand search), "coder coder and teaching problems" (Expand search), "coder decoder based teaching problems" (Expand search), "code code based teaching problems" (Expand search), "decoder codec based teaching problems" (Expand search), "coder code based teaching problems" (Expand search), "coder foder based teaching problems" (Expand search), "coder codec based teaching problems" (Expand search)
"monty python python python programming" » "monty pythons python python programming" (Expand search), "monty piton python python programming" (Expand search), "monty pitons 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: (("coder coder based teaching problems") OR ("monty python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder based teaching problems\") OR (\"monty python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder based teaching problems ) OR ( monty python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder based teaching problems") OR ("monty python python python programming"))*.