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 binary tree tree" » "coder cover binary tree tree" (Expand search), "coder over binary tree tree" (Expand search), "coder under binary tree tree" (Expand search), "coder decoder binary tree tree" (Expand search), "code code binary tree tree" (Expand search), "decoder codec binary tree tree" (Expand search), "coder coder biliary tree tree" (Expand search), "coder coder binary three tree" (Expand search), "coder coder binary tree green" (Expand search), "coder coder binary tree theme" (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 coder binary tree tree\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder binary tree tree ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder binary tree tree") OR ("api python python python programming"))*.