Perhaps you should try some spelling variations:
"coder on tree algorithmic complexity" » "coder on the algorithmic complexity" (Expand search), "coder on tree algorithms complexity" (Expand search), "coder on tree algorithm complexity" (Expand search), "code on tree algorithmic complexity" (Expand search), "codes on tree algorithmic complexity" (Expand search), "powder on tree algorithmic complexity" (Expand search), "coder on three algorithmic complexity" (Expand search), "coder in tree algorithmic complexity" (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), "manim 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 on tree algorithmic complexity") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder on tree algorithmic complexity\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder on tree algorithmic complexity ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder on tree algorithmic complexity") OR ("api python python python programming"))*.