Perhaps you should try some spelling variations:
"coder coder typing linear programming" » "coder coder using linear programming" (Expand search), "coder coder typed linear programming" (Expand search), "coder decoder typing linear programming" (Expand search), "code code typing linear programming" (Expand search), "decoder codec typing linear programming" (Expand search)
"manim python python python programming" » "manim pythons python python programming" (Expand search), "manim piton python python programming" (Expand search), "manim pitons python python programming" (Expand search), "monty python python python programming" (Expand search), "api 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 typing linear programming") OR ("manim python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder typing linear programming\") OR (\"manim python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder typing linear programming ) OR ( manim python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder typing linear programming") OR ("manim python python python programming"))*.