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