Perhaps you should try some spelling variations:
"coder coder _ efficient coding" » "coder coder _ efficient routing" (Expand search), "coder coder _ efficient cement" (Expand search), "coder decoder _ efficient coding" (Expand search), "code code _ efficient coding" (Expand search), "decoder codec _ efficient coding" (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 _ efficient coding") OR ("monty python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder _ efficient coding\") OR (\"monty python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder _ efficient coding ) OR ( monty python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder _ efficient coding") OR ("monty python python python programming"))*.