Perhaps you should try some spelling variations:
"coder coder channel estimation problems" » "coder coder channel estimation problem" (Expand search), "coder coder channel optimization problems" (Expand search), "coder coder channel optimisation problems" (Expand search), "coder codes channel estimation problems" (Expand search), "coder adder channel estimation problems" (Expand search), "coder color channel estimation problems" (Expand search), "coder decoder channel estimation problems" (Expand search), "code code channel estimation problems" (Expand search), "decoder codec channel estimation problems" (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder channel estimation problems\") OR (\"manim python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder channel estimation problems ) OR ( manim python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder channel estimation problems") OR ("manim python python python programming"))*.