Perhaps you should try some spelling variations:
"coder coder carlos rocha problem" » "coder coder carlos rca problem" (Expand search), "coder coder carlos rsa problem" (Expand search), "coder coder carlos rwa problem" (Expand search), "coder poder carlos rocha problem" (Expand search), "coder konder carlos rocha problem" (Expand search), "coder codeco carlos rocha problem" (Expand search), "coder decoder carlos rocha problem" (Expand search), "code code carlos rocha problem" (Expand search), "decoder codec carlos rocha problem" (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 coder carlos rocha problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder carlos rocha problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder carlos rocha problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder carlos rocha problem") OR ("api python python python programming"))*.