Perhaps you should try some spelling variations:
"coder coder mann stefan problem" » "coder coder mann salesman problem" (Expand search), "coder decoder mann stefan problem" (Expand search), "code code mann stefan problem" (Expand search), "decoder codec mann stefan problem" (Expand search), "coder coder ammann stefan problem" (Expand search), "coder coder lang stefan problem" (Expand search), "coder coder naumann stefan problem" (Expand search), "coder der mann stefan 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 mann stefan problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder mann stefan problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder mann stefan problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder mann stefan problem") OR ("api python python python programming"))*.