Perhaps you should try some spelling variations:
"coder coder decoder three problems" » "coder coder decoder the problems" (Expand search), "coder coder decoder tree problem" (Expand search), "coder coder decoder type problems" (Expand search), "coder encoder decoder three problems" (Expand search), "coder coder diodes three problems" (Expand search), "coder coder encodes three problems" (Expand search), "code code decoder three problems" (Expand search), "decoder codec decoder three problems" (Expand search), "codesc poder decoder three problems" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ 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 decoder three problems") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder decoder three problems\") OR (\"_ python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder decoder three problems ) OR ( _ python python python programming ))*.