Perhaps you should try some spelling variations:
"coder coder controller tree problem" » "coder mode controller tree problem" (Expand search), "coder order controller tree problem" (Expand search), "coder power controller tree problem" (Expand search), "coder coder controlled three problem" (Expand search), "coder coder controller area problem" (Expand search), "coder coder controller the problem" (Expand search), "coder decoder controller tree problem" (Expand search), "code code controller tree problem" (Expand search), "decoder codec controller 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder controller tree problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder controller tree problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder controller tree problem ) OR ( api python python python programming ))*.