Perhaps you should try some spelling variations:
"coder coder machine replication problem" » "coder coder machine duplication problem" (Expand search), "coder coder machine realization problem" (Expand search), "coder coder machine relocation problem" (Expand search), "coder model machine replication problem" (Expand search), "coder cofee machine replication problem" (Expand search), "coder coffee machine replication problem" (Expand search), "coder decoder machine replication problem" (Expand search), "code code machine replication problem" (Expand search), "decoder codec machine replication problem" (Expand search)
"pi with python python programming" » "pi with pythons python programming" (Expand search), "pi with piton python programming" (Expand search), "pi with pitons python programming" (Expand search), "pci with python python programming" (Expand search), "ii with python python programming" (Expand search), "i with python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder machine replication problem\") OR (\"pi with python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder machine replication problem ) OR ( pi with python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder machine replication problem") OR ("pi with python python programming"))*.