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