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), "manim python python python programming" (Expand search)
"coder using tree problem cpp" » "coder using the problem cpp" (Expand search), "coders using tree problem cpp" (Expand search), "cover using tree problem cpp" (Expand search), "code using tree problem cpp" (Expand search), "coder using tree problem clp" (Expand search), "coder using tree problem gap" (Expand search), "coder using tree problem frp" (Expand search), "coder using three problem cpp" (Expand search), "coder using free problem cpp" (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 using tree problem cpp") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder using tree problem cpp\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder using tree problem cpp ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder using tree problem cpp") OR ("api python python python programming"))*.