Perhaps you should try some spelling variations:
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ python python python programming" (Expand search)
"coder coder tests linear programming" » "coder coder nets linear programming" (Expand search), "coder coder testes lineares programming" (Expand search), "coder coder testing linear programming" (Expand search), "coder decoder tests linear programming" (Expand search), "code code tests linear programming" (Expand search), "decoder codec tests linear programming" (Expand search), "coder model tests linear programming" (Expand search), "coder power tests linear programming" (Expand search), "coder collider tests linear 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 tests linear programming") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder tests linear programming\") OR (\"in python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder tests linear programming ) OR ( in python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder tests linear programming") OR ("in python python python programming"))*.