Perhaps you should try some spelling variations:
"coder coder chan main problems" » "coder coder chan in problems" (Expand search), "coder coder chan on problems" (Expand search), "coder coder chan open problems" (Expand search), "coder decoder chan main problems" (Expand search), "code code chan main problems" (Expand search), "decoder codec chan main problems" (Expand search), "coder code can main problems" (Expand search), "coder coder chan wai problems" (Expand search), "coder coder chan xin 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder chan main problems") OR ("manim python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder chan main problems\") OR (\"manim python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder chan main problems ) OR ( manim python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder chan main problems") OR ("manim python python python programming"))*.