Perhaps you should try some spelling variations:
"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)
"coder coder in tree problem" » "coder coder in the problem" (Expand search), "coder decoder in tree problem" (Expand search), "code code in tree problem" (Expand search), "decoder codec in tree problem" (Expand search), "coder code in tree problem" (Expand search), "coder codes in tree problem" (Expand search), "coder poder in tree problem" (Expand search), "coder coder in three problem" (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 in tree problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder in tree problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder in tree problem ) OR ( api python python python programming ))*.