Perhaps you should try some spelling variations:
"coder coder parameters optimization problem" » "coder coder parameter optimization problem" (Expand search), "coder coder parametric optimization problem" (Expand search), "coder coder parameters estimation problem" (Expand search), "coder coder parameters optimization problems" (Expand search), "coder codes parameters optimization problem" (Expand search), "coder copper parameters optimization problem" (Expand search), "coder model parameters optimization problem" (Expand search), "coder decoder parameters optimization problem" (Expand search), "code code parameters optimization problem" (Expand search), "decoder codec parameters optimization 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.

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