Perhaps you should try some spelling variations:
"coder coder functions tree problem" » "coder power functions tree problem" (Expand search), "coder order functions tree problem" (Expand search), "coder colour functions tree problem" (Expand search), "coder coder functional tree problem" (Expand search), "coder coder functions the problem" (Expand search), "coder coder functions are problem" (Expand search), "coder decoder functions tree problem" (Expand search), "code code functions tree problem" (Expand search), "decoder codec functions 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 functions tree problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder functions tree problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder functions tree problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder functions tree problem") OR ("api python python python programming"))*.