Perhaps you should try some spelling variations:
"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)
"coder coder and graetz problem" » "coder decoder and graetz problem" (Expand search), "code code and graetz problem" (Expand search), "decoder codec and graetz problem" (Expand search), "coder coder and graft problem" (Expand search), "coder coder and grant problem" (Expand search), "coder coder and greta problem" (Expand search), "coder code and graetz problem" (Expand search), "coder codes and graetz problem" (Expand search), "coder poder and graetz problem" (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 and graetz problem") OR ("monty python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder and graetz problem\") OR (\"monty python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder and graetz problem ) OR ( monty python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder and graetz problem") OR ("monty python python python programming"))*.