Perhaps you should try some spelling variations:
"coder coder function tree problem" » "coder modern function tree problem" (Expand search), "coder power function tree problem" (Expand search), "coder over function tree problem" (Expand search), "coder coder function three problem" (Expand search), "coder coder junction tree problem" (Expand search), "coder coder functional tree problem" (Expand search), "coder coder function the problem" (Expand search), "coder decoder function tree problem" (Expand search), "code code function tree problem" (Expand search), "decoder codec function tree problem" (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder function tree problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder function tree problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder function tree problem") OR ("api python python python programming"))*.