Perhaps you should try some spelling variations:
"coder precoder scheffer linear programming" » "coder precoder scheme linear programming" (Expand search), "coder precoder scheffer lima programming" (Expand search), "coder precoder schaeffer lindomar programming" (Expand search), "coder decoder scheffer linear programming" (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.

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