Perhaps you should try some spelling variations:
"coder coder function open problems" » "coder modern function open problems" (Expand search), "coder power function open problems" (Expand search), "coder over function open problems" (Expand search), "coder coder function pen problems" (Expand search), "coder coder function on problems" (Expand search), "coder coder function over problems" (Expand search), "coder decoder function open problems" (Expand search), "code code function open problems" (Expand search), "decoder codec function open problems" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python 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 function open problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder function open problems\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder function open problems ) OR ( api python python python programming ))*.