Perhaps you should try some spelling variations:
"coder coder formulations using problem" » "coder code formulations using problem" (Expand search), "coder powder formulations using problem" (Expand search), "coder copper formulations using problem" (Expand search), "coder coder formulations in problem" (Expand search), "coder coder formulations and problem" (Expand search), "coder coder formulations housing problem" (Expand search), "coder coder formulations housing problems" (Expand search), "coder coder formulations routing problem" (Expand search), "coder decoder formulations using problem" (Expand search), "code code formulations using problem" (Expand search), "decoder codec formulations using 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 formulations using problem") OR ("monty python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder formulations using problem\") OR (\"monty python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder formulations using problem ) OR ( monty python python python programming ))*.