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