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 code in tree problems" » "coder code in three problems" (Expand search), "coder code in tree problem" (Expand search), "coder code in the problems" (Expand search), "code code in tree problems" (Expand search), "modern code in tree problems" (Expand search), "color code in tree problems" (Expand search), "coder code and tree problems" (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 code in tree problems\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder code in tree problems ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder code in tree problems") OR ("api python python python programming"))*.